mirror of https://github.com/facebook/rocksdb.git
2936 lines
104 KiB
C++
2936 lines
104 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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//
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// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file. See the AUTHORS file for names of contributors.
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//
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// The test uses an array to compare against values written to the database.
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// Keys written to the array are in 1:1 correspondence to the actual values in
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// the database according to the formula in the function GenerateValue.
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// Space is reserved in the array from 0 to FLAGS_max_key and values are
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// randomly written/deleted/read from those positions. During verification we
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// compare all the positions in the array. To shorten/elongate the running
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// time, you could change the settings: FLAGS_max_key, FLAGS_ops_per_thread,
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// (sometimes also FLAGS_threads).
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//
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// NOTE that if FLAGS_test_batches_snapshots is set, the test will have
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// different behavior. See comment of the flag for details.
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#ifndef GFLAGS
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#include <cstdio>
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int main() {
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fprintf(stderr, "Please install gflags to run rocksdb tools\n");
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return 1;
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}
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#else
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#ifndef __STDC_FORMAT_MACROS
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#define __STDC_FORMAT_MACROS
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#endif // __STDC_FORMAT_MACROS
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#include <fcntl.h>
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#include <inttypes.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <algorithm>
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#include <chrono>
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#include <exception>
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#include <queue>
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#include <thread>
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#include "db/db_impl.h"
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#include "db/version_set.h"
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#include "hdfs/env_hdfs.h"
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#include "monitoring/histogram.h"
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#include "options/options_helper.h"
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#include "port/port.h"
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#include "rocksdb/cache.h"
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#include "rocksdb/env.h"
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#include "rocksdb/slice.h"
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#include "rocksdb/slice_transform.h"
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#include "rocksdb/statistics.h"
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#include "rocksdb/utilities/db_ttl.h"
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#include "rocksdb/utilities/options_util.h"
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#include "rocksdb/utilities/transaction.h"
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#include "rocksdb/utilities/transaction_db.h"
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#include "rocksdb/write_batch.h"
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#include "util/coding.h"
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#include "util/compression.h"
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#include "util/crc32c.h"
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#include "util/gflags_compat.h"
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#include "util/logging.h"
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#include "util/mutexlock.h"
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#include "util/random.h"
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#include "util/string_util.h"
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// SyncPoint is not supported in Released Windows Mode.
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#if !(defined NDEBUG) || !defined(OS_WIN)
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#include "util/sync_point.h"
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#endif // !(defined NDEBUG) || !defined(OS_WIN)
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#include "util/testutil.h"
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#include "utilities/merge_operators.h"
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using GFLAGS_NAMESPACE::ParseCommandLineFlags;
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using GFLAGS_NAMESPACE::RegisterFlagValidator;
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using GFLAGS_NAMESPACE::SetUsageMessage;
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static const long KB = 1024;
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static const int kRandomValueMaxFactor = 3;
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static const int kValueMaxLen = 100;
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static bool ValidateUint32Range(const char* flagname, uint64_t value) {
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if (value > std::numeric_limits<uint32_t>::max()) {
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fprintf(stderr,
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"Invalid value for --%s: %lu, overflow\n",
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flagname,
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(unsigned long)value);
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return false;
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}
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return true;
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}
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DEFINE_uint64(seed, 2341234, "Seed for PRNG");
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static const bool FLAGS_seed_dummy __attribute__((__unused__)) =
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RegisterFlagValidator(&FLAGS_seed, &ValidateUint32Range);
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DEFINE_int64(max_key, 1 * KB* KB,
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"Max number of key/values to place in database");
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DEFINE_int32(column_families, 10, "Number of column families");
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DEFINE_string(
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options_file, "",
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"The path to a RocksDB options file. If specified, then db_stress will "
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"run with the RocksDB options in the default column family of the "
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"specified options file. Note that, when an options file is provided, "
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"db_stress will ignore the flag values for all options that may be passed "
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"via options file.");
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DEFINE_int64(
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active_width, 0,
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"Number of keys in active span of the key-range at any given time. The "
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"span begins with its left endpoint at key 0, gradually moves rightwards, "
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"and ends with its right endpoint at max_key. If set to 0, active_width "
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"will be sanitized to be equal to max_key.");
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// TODO(noetzli) Add support for single deletes
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DEFINE_bool(test_batches_snapshots, false,
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"If set, the test uses MultiGet(), MultiPut() and MultiDelete()"
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" which read/write/delete multiple keys in a batch. In this mode,"
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" we do not verify db content by comparing the content with the "
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"pre-allocated array. Instead, we do partial verification inside"
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" MultiGet() by checking various values in a batch. Benefit of"
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" this mode:\n"
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"\t(a) No need to acquire mutexes during writes (less cache "
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"flushes in multi-core leading to speed up)\n"
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"\t(b) No long validation at the end (more speed up)\n"
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"\t(c) Test snapshot and atomicity of batch writes");
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DEFINE_int32(threads, 32, "Number of concurrent threads to run.");
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DEFINE_int32(ttl, -1,
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"Opens the db with this ttl value if this is not -1. "
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"Carefully specify a large value such that verifications on "
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"deleted values don't fail");
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DEFINE_int32(value_size_mult, 8,
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"Size of value will be this number times rand_int(1,3) bytes");
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DEFINE_int32(compaction_readahead_size, 0, "Compaction readahead size");
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DEFINE_bool(verify_before_write, false, "Verify before write");
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DEFINE_bool(histogram, false, "Print histogram of operation timings");
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DEFINE_bool(destroy_db_initially, true,
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"Destroys the database dir before start if this is true");
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DEFINE_bool(verbose, false, "Verbose");
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DEFINE_bool(progress_reports, true,
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"If true, db_stress will report number of finished operations");
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DEFINE_uint64(db_write_buffer_size, rocksdb::Options().db_write_buffer_size,
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"Number of bytes to buffer in all memtables before compacting");
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DEFINE_int32(write_buffer_size,
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static_cast<int32_t>(rocksdb::Options().write_buffer_size),
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"Number of bytes to buffer in memtable before compacting");
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DEFINE_int32(max_write_buffer_number,
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rocksdb::Options().max_write_buffer_number,
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"The number of in-memory memtables. "
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"Each memtable is of size FLAGS_write_buffer_size.");
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DEFINE_int32(min_write_buffer_number_to_merge,
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rocksdb::Options().min_write_buffer_number_to_merge,
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"The minimum number of write buffers that will be merged together "
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"before writing to storage. This is cheap because it is an "
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"in-memory merge. If this feature is not enabled, then all these "
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"write buffers are flushed to L0 as separate files and this "
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"increases read amplification because a get request has to check "
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"in all of these files. Also, an in-memory merge may result in "
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"writing less data to storage if there are duplicate records in"
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" each of these individual write buffers.");
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DEFINE_int32(max_write_buffer_number_to_maintain,
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rocksdb::Options().max_write_buffer_number_to_maintain,
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"The total maximum number of write buffers to maintain in memory "
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"including copies of buffers that have already been flushed. "
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"Unlike max_write_buffer_number, this parameter does not affect "
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"flushing. This controls the minimum amount of write history "
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"that will be available in memory for conflict checking when "
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"Transactions are used. If this value is too low, some "
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"transactions may fail at commit time due to not being able to "
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"determine whether there were any write conflicts. Setting this "
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"value to 0 will cause write buffers to be freed immediately "
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"after they are flushed. If this value is set to -1, "
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"'max_write_buffer_number' will be used.");
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DEFINE_double(memtable_prefix_bloom_size_ratio,
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rocksdb::Options().memtable_prefix_bloom_size_ratio,
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"creates prefix blooms for memtables, each with size "
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"`write_buffer_size * memtable_prefix_bloom_size_ratio`.");
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DEFINE_int32(open_files, rocksdb::Options().max_open_files,
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"Maximum number of files to keep open at the same time "
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"(use default if == 0)");
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DEFINE_int64(compressed_cache_size, -1,
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"Number of bytes to use as a cache of compressed data."
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" Negative means use default settings.");
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DEFINE_int32(compaction_style, rocksdb::Options().compaction_style, "");
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DEFINE_int32(level0_file_num_compaction_trigger,
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rocksdb::Options().level0_file_num_compaction_trigger,
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"Level0 compaction start trigger");
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DEFINE_int32(level0_slowdown_writes_trigger,
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rocksdb::Options().level0_slowdown_writes_trigger,
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"Number of files in level-0 that will slow down writes");
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DEFINE_int32(level0_stop_writes_trigger,
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rocksdb::Options().level0_stop_writes_trigger,
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"Number of files in level-0 that will trigger put stop.");
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DEFINE_int32(block_size,
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static_cast<int32_t>(rocksdb::BlockBasedTableOptions().block_size),
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"Number of bytes in a block.");
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DEFINE_int32(max_background_compactions,
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rocksdb::Options().max_background_compactions,
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"The maximum number of concurrent background compactions "
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"that can occur in parallel.");
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DEFINE_int32(num_bottom_pri_threads, 0,
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"The number of threads in the bottom-priority thread pool (used "
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"by universal compaction only).");
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DEFINE_int32(compaction_thread_pool_adjust_interval, 0,
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"The interval (in milliseconds) to adjust compaction thread pool "
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"size. Don't change it periodically if the value is 0.");
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DEFINE_int32(compaction_thread_pool_variations, 2,
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"Range of background thread pool size variations when adjusted "
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"periodically.");
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DEFINE_int32(max_background_flushes, rocksdb::Options().max_background_flushes,
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"The maximum number of concurrent background flushes "
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"that can occur in parallel.");
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DEFINE_int32(universal_size_ratio, 0, "The ratio of file sizes that trigger"
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" compaction in universal style");
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DEFINE_int32(universal_min_merge_width, 0, "The minimum number of files to "
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"compact in universal style compaction");
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DEFINE_int32(universal_max_merge_width, 0, "The max number of files to compact"
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" in universal style compaction");
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DEFINE_int32(universal_max_size_amplification_percent, 0,
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"The max size amplification for universal style compaction");
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DEFINE_int32(clear_column_family_one_in, 1000000,
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"With a chance of 1/N, delete a column family and then recreate "
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"it again. If N == 0, never drop/create column families. "
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"When test_batches_snapshots is true, this flag has no effect");
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DEFINE_int32(set_options_one_in, 0,
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"With a chance of 1/N, change some random options");
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DEFINE_int32(set_in_place_one_in, 0,
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"With a chance of 1/N, toggle in place support option");
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DEFINE_int64(cache_size, 2LL * KB * KB * KB,
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"Number of bytes to use as a cache of uncompressed data.");
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DEFINE_bool(use_clock_cache, false,
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"Replace default LRU block cache with clock cache.");
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DEFINE_uint64(subcompactions, 1,
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"Maximum number of subcompactions to divide L0-L1 compactions "
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"into.");
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DEFINE_bool(allow_concurrent_memtable_write, false,
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"Allow multi-writers to update mem tables in parallel.");
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DEFINE_bool(enable_write_thread_adaptive_yield, true,
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"Use a yielding spin loop for brief writer thread waits.");
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static const bool FLAGS_subcompactions_dummy __attribute__((__unused__)) =
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RegisterFlagValidator(&FLAGS_subcompactions, &ValidateUint32Range);
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static bool ValidateInt32Positive(const char* flagname, int32_t value) {
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if (value < 0) {
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fprintf(stderr, "Invalid value for --%s: %d, must be >=0\n",
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flagname, value);
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return false;
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}
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return true;
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}
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DEFINE_int32(reopen, 10, "Number of times database reopens");
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static const bool FLAGS_reopen_dummy __attribute__((__unused__)) =
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RegisterFlagValidator(&FLAGS_reopen, &ValidateInt32Positive);
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DEFINE_int32(bloom_bits, 10, "Bloom filter bits per key. "
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"Negative means use default settings.");
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DEFINE_bool(use_block_based_filter, false, "use block based filter"
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"instead of full filter for block based table");
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DEFINE_string(db, "", "Use the db with the following name.");
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DEFINE_string(
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expected_values_path, "",
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"File where the array of expected uint32_t values will be stored. If "
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"provided and non-empty, the DB state will be verified against these "
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"values after recovery. --max_key and --column_family must be kept the "
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"same across invocations of this program that use the same "
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"--expected_values_path.");
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DEFINE_bool(verify_checksum, false,
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"Verify checksum for every block read from storage");
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DEFINE_bool(mmap_read, rocksdb::Options().allow_mmap_reads,
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"Allow reads to occur via mmap-ing files");
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DEFINE_bool(mmap_write, rocksdb::Options().allow_mmap_writes,
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"Allow writes to occur via mmap-ing files");
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DEFINE_bool(use_direct_reads, rocksdb::Options().use_direct_reads,
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"Use O_DIRECT for reading data");
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DEFINE_bool(use_direct_io_for_flush_and_compaction,
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rocksdb::Options().use_direct_io_for_flush_and_compaction,
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"Use O_DIRECT for writing data");
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// Database statistics
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static std::shared_ptr<rocksdb::Statistics> dbstats;
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DEFINE_bool(statistics, false, "Create database statistics");
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DEFINE_bool(sync, false, "Sync all writes to disk");
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DEFINE_bool(use_fsync, false, "If true, issue fsync instead of fdatasync");
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DEFINE_int32(kill_random_test, 0,
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"If non-zero, kill at various points in source code with "
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"probability 1/this");
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static const bool FLAGS_kill_random_test_dummy __attribute__((__unused__)) =
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RegisterFlagValidator(&FLAGS_kill_random_test, &ValidateInt32Positive);
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extern int rocksdb_kill_odds;
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DEFINE_string(kill_prefix_blacklist, "",
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"If non-empty, kill points with prefix in the list given will be"
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" skipped. Items are comma-separated.");
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extern std::vector<std::string> rocksdb_kill_prefix_blacklist;
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DEFINE_bool(disable_wal, false, "If true, do not write WAL for write.");
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DEFINE_int64(target_file_size_base, rocksdb::Options().target_file_size_base,
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"Target level-1 file size for compaction");
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DEFINE_int32(target_file_size_multiplier, 1,
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"A multiplier to compute target level-N file size (N >= 2)");
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DEFINE_uint64(max_bytes_for_level_base,
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rocksdb::Options().max_bytes_for_level_base,
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"Max bytes for level-1");
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DEFINE_double(max_bytes_for_level_multiplier, 2,
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"A multiplier to compute max bytes for level-N (N >= 2)");
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DEFINE_int32(range_deletion_width, 10,
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"The width of the range deletion intervals.");
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DEFINE_uint64(rate_limiter_bytes_per_sec, 0, "Set options.rate_limiter value.");
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DEFINE_bool(rate_limit_bg_reads, false,
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"Use options.rate_limiter on compaction reads");
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DEFINE_bool(use_txn, false,
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"Use TransactionDB. Currently the default write policy is "
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"TxnDBWritePolicy::WRITE_PREPARED");
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// Temporarily disable this to allows it to detect new bugs
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DEFINE_int32(compact_files_one_in, 0,
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"If non-zero, then CompactFiles() will be called one for every N "
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"operations IN AVERAGE. 0 indicates CompactFiles() is disabled.");
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DEFINE_int32(acquire_snapshot_one_in, 0,
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"If non-zero, then acquires a snapshot once every N operations on "
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"average.");
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DEFINE_uint64(snapshot_hold_ops, 0,
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"If non-zero, then releases snapshots N operations after they're "
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"acquired.");
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static bool ValidateInt32Percent(const char* flagname, int32_t value) {
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if (value < 0 || value>100) {
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fprintf(stderr, "Invalid value for --%s: %d, 0<= pct <=100 \n",
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flagname, value);
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return false;
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}
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return true;
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}
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DEFINE_int32(readpercent, 10,
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"Ratio of reads to total workload (expressed as a percentage)");
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static const bool FLAGS_readpercent_dummy __attribute__((__unused__)) =
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RegisterFlagValidator(&FLAGS_readpercent, &ValidateInt32Percent);
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DEFINE_int32(prefixpercent, 20,
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"Ratio of prefix iterators to total workload (expressed as a"
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" percentage)");
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static const bool FLAGS_prefixpercent_dummy __attribute__((__unused__)) =
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RegisterFlagValidator(&FLAGS_prefixpercent, &ValidateInt32Percent);
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DEFINE_int32(writepercent, 45,
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"Ratio of writes to total workload (expressed as a percentage)");
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static const bool FLAGS_writepercent_dummy __attribute__((__unused__)) =
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RegisterFlagValidator(&FLAGS_writepercent, &ValidateInt32Percent);
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DEFINE_int32(delpercent, 15,
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"Ratio of deletes to total workload (expressed as a percentage)");
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static const bool FLAGS_delpercent_dummy __attribute__((__unused__)) =
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RegisterFlagValidator(&FLAGS_delpercent, &ValidateInt32Percent);
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DEFINE_int32(delrangepercent, 0,
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"Ratio of range deletions to total workload (expressed as a "
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"percentage). Cannot be used with test_batches_snapshots");
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static const bool FLAGS_delrangepercent_dummy __attribute__((__unused__)) =
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RegisterFlagValidator(&FLAGS_delrangepercent, &ValidateInt32Percent);
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DEFINE_int32(nooverwritepercent, 60,
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"Ratio of keys without overwrite to total workload (expressed as "
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" a percentage)");
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static const bool FLAGS_nooverwritepercent_dummy __attribute__((__unused__)) =
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RegisterFlagValidator(&FLAGS_nooverwritepercent, &ValidateInt32Percent);
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DEFINE_int32(iterpercent, 10, "Ratio of iterations to total workload"
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" (expressed as a percentage)");
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static const bool FLAGS_iterpercent_dummy __attribute__((__unused__)) =
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RegisterFlagValidator(&FLAGS_iterpercent, &ValidateInt32Percent);
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DEFINE_uint64(num_iterations, 10, "Number of iterations per MultiIterate run");
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static const bool FLAGS_num_iterations_dummy __attribute__((__unused__)) =
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RegisterFlagValidator(&FLAGS_num_iterations, &ValidateUint32Range);
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namespace {
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enum rocksdb::CompressionType StringToCompressionType(const char* ctype) {
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assert(ctype);
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if (!strcasecmp(ctype, "none"))
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return rocksdb::kNoCompression;
|
|
else if (!strcasecmp(ctype, "snappy"))
|
|
return rocksdb::kSnappyCompression;
|
|
else if (!strcasecmp(ctype, "zlib"))
|
|
return rocksdb::kZlibCompression;
|
|
else if (!strcasecmp(ctype, "bzip2"))
|
|
return rocksdb::kBZip2Compression;
|
|
else if (!strcasecmp(ctype, "lz4"))
|
|
return rocksdb::kLZ4Compression;
|
|
else if (!strcasecmp(ctype, "lz4hc"))
|
|
return rocksdb::kLZ4HCCompression;
|
|
else if (!strcasecmp(ctype, "xpress"))
|
|
return rocksdb::kXpressCompression;
|
|
else if (!strcasecmp(ctype, "zstd"))
|
|
return rocksdb::kZSTD;
|
|
|
|
fprintf(stderr, "Cannot parse compression type '%s'\n", ctype);
|
|
return rocksdb::kSnappyCompression; //default value
|
|
}
|
|
|
|
enum rocksdb::ChecksumType StringToChecksumType(const char* ctype) {
|
|
assert(ctype);
|
|
auto iter = rocksdb::checksum_type_string_map.find(ctype);
|
|
if (iter != rocksdb::checksum_type_string_map.end()) {
|
|
return iter->second;
|
|
}
|
|
fprintf(stderr, "Cannot parse checksum type '%s'\n", ctype);
|
|
return rocksdb::kCRC32c;
|
|
}
|
|
|
|
std::string ChecksumTypeToString(rocksdb::ChecksumType ctype) {
|
|
auto iter = std::find_if(
|
|
rocksdb::checksum_type_string_map.begin(),
|
|
rocksdb::checksum_type_string_map.end(),
|
|
[&](const std::pair<std::string, rocksdb::ChecksumType>&
|
|
name_and_enum_val) { return name_and_enum_val.second == ctype; });
|
|
assert(iter != rocksdb::checksum_type_string_map.end());
|
|
return iter->first;
|
|
}
|
|
|
|
std::vector<std::string> SplitString(std::string src) {
|
|
std::vector<std::string> ret;
|
|
if (src.empty()) {
|
|
return ret;
|
|
}
|
|
size_t pos = 0;
|
|
size_t pos_comma;
|
|
while ((pos_comma = src.find(',', pos)) != std::string::npos) {
|
|
ret.push_back(src.substr(pos, pos_comma - pos));
|
|
pos = pos_comma + 1;
|
|
}
|
|
ret.push_back(src.substr(pos, src.length()));
|
|
return ret;
|
|
}
|
|
} // namespace
|
|
|
|
DEFINE_string(compression_type, "snappy",
|
|
"Algorithm to use to compress the database");
|
|
static enum rocksdb::CompressionType FLAGS_compression_type_e =
|
|
rocksdb::kSnappyCompression;
|
|
|
|
DEFINE_string(checksum_type, "kCRC32c", "Algorithm to use to checksum blocks");
|
|
static enum rocksdb::ChecksumType FLAGS_checksum_type_e = rocksdb::kCRC32c;
|
|
|
|
DEFINE_string(hdfs, "", "Name of hdfs environment");
|
|
// posix or hdfs environment
|
|
static rocksdb::Env* FLAGS_env = rocksdb::Env::Default();
|
|
|
|
DEFINE_uint64(ops_per_thread, 1200000, "Number of operations per thread.");
|
|
static const bool FLAGS_ops_per_thread_dummy __attribute__((__unused__)) =
|
|
RegisterFlagValidator(&FLAGS_ops_per_thread, &ValidateUint32Range);
|
|
|
|
DEFINE_uint64(log2_keys_per_lock, 2, "Log2 of number of keys per lock");
|
|
static const bool FLAGS_log2_keys_per_lock_dummy __attribute__((__unused__)) =
|
|
RegisterFlagValidator(&FLAGS_log2_keys_per_lock, &ValidateUint32Range);
|
|
|
|
DEFINE_uint64(max_manifest_file_size, 16384, "Maximum size of a MANIFEST file");
|
|
|
|
DEFINE_bool(in_place_update, false, "On true, does inplace update in memtable");
|
|
|
|
enum RepFactory {
|
|
kSkipList,
|
|
kHashSkipList,
|
|
kVectorRep
|
|
};
|
|
|
|
namespace {
|
|
enum RepFactory StringToRepFactory(const char* ctype) {
|
|
assert(ctype);
|
|
|
|
if (!strcasecmp(ctype, "skip_list"))
|
|
return kSkipList;
|
|
else if (!strcasecmp(ctype, "prefix_hash"))
|
|
return kHashSkipList;
|
|
else if (!strcasecmp(ctype, "vector"))
|
|
return kVectorRep;
|
|
|
|
fprintf(stdout, "Cannot parse memreptable %s\n", ctype);
|
|
return kSkipList;
|
|
}
|
|
} // namespace
|
|
|
|
static enum RepFactory FLAGS_rep_factory;
|
|
DEFINE_string(memtablerep, "prefix_hash", "");
|
|
|
|
static bool ValidatePrefixSize(const char* flagname, int32_t value) {
|
|
if (value < 0 || value > 8) {
|
|
fprintf(stderr, "Invalid value for --%s: %d. 0 <= PrefixSize <= 8\n",
|
|
flagname, value);
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
DEFINE_int32(prefix_size, 7, "Control the prefix size for HashSkipListRep");
|
|
static const bool FLAGS_prefix_size_dummy __attribute__((__unused__)) =
|
|
RegisterFlagValidator(&FLAGS_prefix_size, &ValidatePrefixSize);
|
|
|
|
DEFINE_bool(use_merge, false, "On true, replaces all writes with a Merge "
|
|
"that behaves like a Put");
|
|
|
|
DEFINE_bool(use_full_merge_v1, false,
|
|
"On true, use a merge operator that implement the deprecated "
|
|
"version of FullMerge");
|
|
|
|
namespace rocksdb {
|
|
|
|
// convert long to a big-endian slice key
|
|
static std::string Key(int64_t val) {
|
|
std::string little_endian_key;
|
|
std::string big_endian_key;
|
|
PutFixed64(&little_endian_key, val);
|
|
assert(little_endian_key.size() == sizeof(val));
|
|
big_endian_key.resize(sizeof(val));
|
|
for (size_t i = 0 ; i < sizeof(val); ++i) {
|
|
big_endian_key[i] = little_endian_key[sizeof(val) - 1 - i];
|
|
}
|
|
return big_endian_key;
|
|
}
|
|
|
|
static std::string StringToHex(const std::string& str) {
|
|
std::string result = "0x";
|
|
result.append(Slice(str).ToString(true));
|
|
return result;
|
|
}
|
|
|
|
|
|
class StressTest;
|
|
namespace {
|
|
|
|
class Stats {
|
|
private:
|
|
uint64_t start_;
|
|
uint64_t finish_;
|
|
double seconds_;
|
|
long done_;
|
|
long gets_;
|
|
long prefixes_;
|
|
long writes_;
|
|
long deletes_;
|
|
size_t single_deletes_;
|
|
long iterator_size_sums_;
|
|
long founds_;
|
|
long iterations_;
|
|
long range_deletions_;
|
|
long covered_by_range_deletions_;
|
|
long errors_;
|
|
long num_compact_files_succeed_;
|
|
long num_compact_files_failed_;
|
|
int next_report_;
|
|
size_t bytes_;
|
|
uint64_t last_op_finish_;
|
|
HistogramImpl hist_;
|
|
|
|
public:
|
|
Stats() { }
|
|
|
|
void Start() {
|
|
next_report_ = 100;
|
|
hist_.Clear();
|
|
done_ = 0;
|
|
gets_ = 0;
|
|
prefixes_ = 0;
|
|
writes_ = 0;
|
|
deletes_ = 0;
|
|
single_deletes_ = 0;
|
|
iterator_size_sums_ = 0;
|
|
founds_ = 0;
|
|
iterations_ = 0;
|
|
range_deletions_ = 0;
|
|
covered_by_range_deletions_ = 0;
|
|
errors_ = 0;
|
|
bytes_ = 0;
|
|
seconds_ = 0;
|
|
num_compact_files_succeed_ = 0;
|
|
num_compact_files_failed_ = 0;
|
|
start_ = FLAGS_env->NowMicros();
|
|
last_op_finish_ = start_;
|
|
finish_ = start_;
|
|
}
|
|
|
|
void Merge(const Stats& other) {
|
|
hist_.Merge(other.hist_);
|
|
done_ += other.done_;
|
|
gets_ += other.gets_;
|
|
prefixes_ += other.prefixes_;
|
|
writes_ += other.writes_;
|
|
deletes_ += other.deletes_;
|
|
single_deletes_ += other.single_deletes_;
|
|
iterator_size_sums_ += other.iterator_size_sums_;
|
|
founds_ += other.founds_;
|
|
iterations_ += other.iterations_;
|
|
range_deletions_ += other.range_deletions_;
|
|
covered_by_range_deletions_ = other.covered_by_range_deletions_;
|
|
errors_ += other.errors_;
|
|
bytes_ += other.bytes_;
|
|
seconds_ += other.seconds_;
|
|
num_compact_files_succeed_ += other.num_compact_files_succeed_;
|
|
num_compact_files_failed_ += other.num_compact_files_failed_;
|
|
if (other.start_ < start_) start_ = other.start_;
|
|
if (other.finish_ > finish_) finish_ = other.finish_;
|
|
}
|
|
|
|
void Stop() {
|
|
finish_ = FLAGS_env->NowMicros();
|
|
seconds_ = (finish_ - start_) * 1e-6;
|
|
}
|
|
|
|
void FinishedSingleOp() {
|
|
if (FLAGS_histogram) {
|
|
auto now = FLAGS_env->NowMicros();
|
|
auto micros = now - last_op_finish_;
|
|
hist_.Add(micros);
|
|
if (micros > 20000) {
|
|
fprintf(stdout, "long op: %" PRIu64 " micros%30s\r", micros, "");
|
|
}
|
|
last_op_finish_ = now;
|
|
}
|
|
|
|
done_++;
|
|
if (FLAGS_progress_reports) {
|
|
if (done_ >= next_report_) {
|
|
if (next_report_ < 1000) next_report_ += 100;
|
|
else if (next_report_ < 5000) next_report_ += 500;
|
|
else if (next_report_ < 10000) next_report_ += 1000;
|
|
else if (next_report_ < 50000) next_report_ += 5000;
|
|
else if (next_report_ < 100000) next_report_ += 10000;
|
|
else if (next_report_ < 500000) next_report_ += 50000;
|
|
else next_report_ += 100000;
|
|
fprintf(stdout, "... finished %ld ops%30s\r", done_, "");
|
|
}
|
|
}
|
|
}
|
|
|
|
void AddBytesForWrites(int nwrites, size_t nbytes) {
|
|
writes_ += nwrites;
|
|
bytes_ += nbytes;
|
|
}
|
|
|
|
void AddGets(int ngets, int nfounds) {
|
|
founds_ += nfounds;
|
|
gets_ += ngets;
|
|
}
|
|
|
|
void AddPrefixes(int nprefixes, int count) {
|
|
prefixes_ += nprefixes;
|
|
iterator_size_sums_ += count;
|
|
}
|
|
|
|
void AddIterations(int n) {
|
|
iterations_ += n;
|
|
}
|
|
|
|
void AddDeletes(int n) {
|
|
deletes_ += n;
|
|
}
|
|
|
|
void AddSingleDeletes(size_t n) { single_deletes_ += n; }
|
|
|
|
void AddRangeDeletions(int n) {
|
|
range_deletions_ += n;
|
|
}
|
|
|
|
void AddCoveredByRangeDeletions(int n) {
|
|
covered_by_range_deletions_ += n;
|
|
}
|
|
|
|
void AddErrors(int n) {
|
|
errors_ += n;
|
|
}
|
|
|
|
void AddNumCompactFilesSucceed(int n) { num_compact_files_succeed_ += n; }
|
|
|
|
void AddNumCompactFilesFailed(int n) { num_compact_files_failed_ += n; }
|
|
|
|
void Report(const char* name) {
|
|
std::string extra;
|
|
if (bytes_ < 1 || done_ < 1) {
|
|
fprintf(stderr, "No writes or ops?\n");
|
|
return;
|
|
}
|
|
|
|
double elapsed = (finish_ - start_) * 1e-6;
|
|
double bytes_mb = bytes_ / 1048576.0;
|
|
double rate = bytes_mb / elapsed;
|
|
double throughput = (double)done_/elapsed;
|
|
|
|
fprintf(stdout, "%-12s: ", name);
|
|
fprintf(stdout, "%.3f micros/op %ld ops/sec\n",
|
|
seconds_ * 1e6 / done_, (long)throughput);
|
|
fprintf(stdout, "%-12s: Wrote %.2f MB (%.2f MB/sec) (%ld%% of %ld ops)\n",
|
|
"", bytes_mb, rate, (100*writes_)/done_, done_);
|
|
fprintf(stdout, "%-12s: Wrote %ld times\n", "", writes_);
|
|
fprintf(stdout, "%-12s: Deleted %ld times\n", "", deletes_);
|
|
fprintf(stdout, "%-12s: Single deleted %" ROCKSDB_PRIszt " times\n", "",
|
|
single_deletes_);
|
|
fprintf(stdout, "%-12s: %ld read and %ld found the key\n", "",
|
|
gets_, founds_);
|
|
fprintf(stdout, "%-12s: Prefix scanned %ld times\n", "", prefixes_);
|
|
fprintf(stdout, "%-12s: Iterator size sum is %ld\n", "",
|
|
iterator_size_sums_);
|
|
fprintf(stdout, "%-12s: Iterated %ld times\n", "", iterations_);
|
|
fprintf(stdout, "%-12s: Deleted %ld key-ranges\n", "", range_deletions_);
|
|
fprintf(stdout, "%-12s: Range deletions covered %ld keys\n", "",
|
|
covered_by_range_deletions_);
|
|
|
|
fprintf(stdout, "%-12s: Got errors %ld times\n", "", errors_);
|
|
fprintf(stdout, "%-12s: %ld CompactFiles() succeed\n", "",
|
|
num_compact_files_succeed_);
|
|
fprintf(stdout, "%-12s: %ld CompactFiles() did not succeed\n", "",
|
|
num_compact_files_failed_);
|
|
|
|
if (FLAGS_histogram) {
|
|
fprintf(stdout, "Microseconds per op:\n%s\n", hist_.ToString().c_str());
|
|
}
|
|
fflush(stdout);
|
|
}
|
|
};
|
|
|
|
// State shared by all concurrent executions of the same benchmark.
|
|
class SharedState {
|
|
public:
|
|
// indicates a key may have any value (or not be present) as an operation on
|
|
// it is incomplete.
|
|
static const uint32_t UNKNOWN_SENTINEL;
|
|
// indicates a key should definitely be deleted
|
|
static const uint32_t DELETION_SENTINEL;
|
|
|
|
explicit SharedState(StressTest* stress_test)
|
|
: cv_(&mu_),
|
|
seed_(static_cast<uint32_t>(FLAGS_seed)),
|
|
max_key_(FLAGS_max_key),
|
|
log2_keys_per_lock_(static_cast<uint32_t>(FLAGS_log2_keys_per_lock)),
|
|
num_threads_(FLAGS_threads),
|
|
num_initialized_(0),
|
|
num_populated_(0),
|
|
vote_reopen_(0),
|
|
num_done_(0),
|
|
start_(false),
|
|
start_verify_(false),
|
|
should_stop_bg_thread_(false),
|
|
bg_thread_finished_(false),
|
|
stress_test_(stress_test),
|
|
verification_failure_(false),
|
|
no_overwrite_ids_(FLAGS_column_families),
|
|
values_(nullptr) {
|
|
// Pick random keys in each column family that will not experience
|
|
// overwrite
|
|
|
|
printf("Choosing random keys with no overwrite\n");
|
|
Random64 rnd(seed_);
|
|
// Start with the identity permutation. Subsequent iterations of
|
|
// for loop below will start with perm of previous for loop
|
|
int64_t *permutation = new int64_t[max_key_];
|
|
for (int64_t i = 0; i < max_key_; i++) {
|
|
permutation[i] = i;
|
|
}
|
|
|
|
for (auto& cf_ids : no_overwrite_ids_) {
|
|
// Now do the Knuth shuffle
|
|
int64_t num_no_overwrite_keys = (max_key_ * FLAGS_nooverwritepercent) / 100;
|
|
// Only need to figure out first num_no_overwrite_keys of permutation
|
|
for (int64_t i = 0; i < num_no_overwrite_keys; i++) {
|
|
int64_t rand_index = i + rnd.Next() % (max_key_ - 1 - i);
|
|
// Swap i and rand_index;
|
|
int64_t temp = permutation[i];
|
|
permutation[i] = permutation[rand_index];
|
|
permutation[rand_index] = temp;
|
|
}
|
|
|
|
// Now fill cf_ids with the first num_no_overwrite_keys of permutation
|
|
cf_ids.reserve(num_no_overwrite_keys);
|
|
for (int64_t i = 0; i < num_no_overwrite_keys; i++) {
|
|
cf_ids.insert(permutation[i]);
|
|
}
|
|
assert(cf_ids.size() == static_cast<size_t>(num_no_overwrite_keys));
|
|
}
|
|
delete[] permutation;
|
|
|
|
size_t expected_values_size =
|
|
sizeof(std::atomic<uint32_t>) * FLAGS_column_families * max_key_;
|
|
bool values_init_needed = false;
|
|
Status status;
|
|
if (!FLAGS_expected_values_path.empty()) {
|
|
if (!std::atomic<uint32_t>{}.is_lock_free()) {
|
|
status = Status::InvalidArgument(
|
|
"Cannot use --expected_values_path on platforms without lock-free "
|
|
"std::atomic<uint32_t>");
|
|
}
|
|
if (status.ok() && FLAGS_clear_column_family_one_in > 0) {
|
|
status = Status::InvalidArgument(
|
|
"Cannot use --expected_values_path on when "
|
|
"--clear_column_family_one_in is greater than zero.");
|
|
}
|
|
uint64_t size = 0;
|
|
if (status.ok()) {
|
|
status = FLAGS_env->GetFileSize(FLAGS_expected_values_path, &size);
|
|
}
|
|
unique_ptr<WritableFile> wfile;
|
|
if (status.ok() && size == 0) {
|
|
const EnvOptions soptions;
|
|
status = FLAGS_env->NewWritableFile(FLAGS_expected_values_path, &wfile,
|
|
soptions);
|
|
}
|
|
if (status.ok() && size == 0) {
|
|
std::string buf(expected_values_size, '\0');
|
|
status = wfile->Append(buf);
|
|
values_init_needed = true;
|
|
}
|
|
if (status.ok()) {
|
|
status = FLAGS_env->NewMemoryMappedFileBuffer(
|
|
FLAGS_expected_values_path, &expected_mmap_buffer_);
|
|
}
|
|
if (status.ok()) {
|
|
assert(expected_mmap_buffer_->GetLen() == expected_values_size);
|
|
values_ =
|
|
static_cast<std::atomic<uint32_t>*>(expected_mmap_buffer_->GetBase());
|
|
assert(values_ != nullptr);
|
|
} else {
|
|
fprintf(stderr, "Failed opening shared file '%s' with error: %s\n",
|
|
FLAGS_expected_values_path.c_str(), status.ToString().c_str());
|
|
assert(values_ == nullptr);
|
|
}
|
|
}
|
|
if (values_ == nullptr) {
|
|
values_allocation_.reset(
|
|
new std::atomic<uint32_t>[FLAGS_column_families * max_key_]);
|
|
values_ = &values_allocation_[0];
|
|
values_init_needed = true;
|
|
}
|
|
assert(values_ != nullptr);
|
|
if (values_init_needed) {
|
|
for (int i = 0; i < FLAGS_column_families; ++i) {
|
|
for (int j = 0; j < max_key_; ++j) {
|
|
Delete(i, j, false /* pending */);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (FLAGS_test_batches_snapshots) {
|
|
fprintf(stdout, "No lock creation because test_batches_snapshots set\n");
|
|
return;
|
|
}
|
|
|
|
long num_locks = static_cast<long>(max_key_ >> log2_keys_per_lock_);
|
|
if (max_key_ & ((1 << log2_keys_per_lock_) - 1)) {
|
|
num_locks++;
|
|
}
|
|
fprintf(stdout, "Creating %ld locks\n", num_locks * FLAGS_column_families);
|
|
key_locks_.resize(FLAGS_column_families);
|
|
|
|
for (int i = 0; i < FLAGS_column_families; ++i) {
|
|
key_locks_[i].resize(num_locks);
|
|
for (auto& ptr : key_locks_[i]) {
|
|
ptr.reset(new port::Mutex);
|
|
}
|
|
}
|
|
}
|
|
|
|
~SharedState() {}
|
|
|
|
port::Mutex* GetMutex() {
|
|
return &mu_;
|
|
}
|
|
|
|
port::CondVar* GetCondVar() {
|
|
return &cv_;
|
|
}
|
|
|
|
StressTest* GetStressTest() const {
|
|
return stress_test_;
|
|
}
|
|
|
|
int64_t GetMaxKey() const {
|
|
return max_key_;
|
|
}
|
|
|
|
uint32_t GetNumThreads() const {
|
|
return num_threads_;
|
|
}
|
|
|
|
void IncInitialized() {
|
|
num_initialized_++;
|
|
}
|
|
|
|
void IncOperated() {
|
|
num_populated_++;
|
|
}
|
|
|
|
void IncDone() {
|
|
num_done_++;
|
|
}
|
|
|
|
void IncVotedReopen() {
|
|
vote_reopen_ = (vote_reopen_ + 1) % num_threads_;
|
|
}
|
|
|
|
bool AllInitialized() const {
|
|
return num_initialized_ >= num_threads_;
|
|
}
|
|
|
|
bool AllOperated() const {
|
|
return num_populated_ >= num_threads_;
|
|
}
|
|
|
|
bool AllDone() const {
|
|
return num_done_ >= num_threads_;
|
|
}
|
|
|
|
bool AllVotedReopen() {
|
|
return (vote_reopen_ == 0);
|
|
}
|
|
|
|
void SetStart() {
|
|
start_ = true;
|
|
}
|
|
|
|
void SetStartVerify() {
|
|
start_verify_ = true;
|
|
}
|
|
|
|
bool Started() const {
|
|
return start_;
|
|
}
|
|
|
|
bool VerifyStarted() const {
|
|
return start_verify_;
|
|
}
|
|
|
|
void SetVerificationFailure() { verification_failure_.store(true); }
|
|
|
|
bool HasVerificationFailedYet() { return verification_failure_.load(); }
|
|
|
|
port::Mutex* GetMutexForKey(int cf, int64_t key) {
|
|
return key_locks_[cf][key >> log2_keys_per_lock_].get();
|
|
}
|
|
|
|
void LockColumnFamily(int cf) {
|
|
for (auto& mutex : key_locks_[cf]) {
|
|
mutex->Lock();
|
|
}
|
|
}
|
|
|
|
void UnlockColumnFamily(int cf) {
|
|
for (auto& mutex : key_locks_[cf]) {
|
|
mutex->Unlock();
|
|
}
|
|
}
|
|
|
|
std::atomic<uint32_t>& Value(int cf, int64_t key) const {
|
|
return values_[cf * max_key_ + key];
|
|
}
|
|
|
|
void ClearColumnFamily(int cf) {
|
|
std::fill(&Value(cf, 0 /* key */), &Value(cf + 1, 0 /* key */),
|
|
DELETION_SENTINEL);
|
|
}
|
|
|
|
// @param pending True if the update may have started but is not yet
|
|
// guaranteed finished. This is useful for crash-recovery testing when the
|
|
// process may crash before updating the expected values array.
|
|
void Put(int cf, int64_t key, uint32_t value_base, bool pending) {
|
|
if (!pending) {
|
|
// prevent expected-value update from reordering before Write
|
|
std::atomic_thread_fence(std::memory_order_release);
|
|
}
|
|
Value(cf, key).store(pending ? UNKNOWN_SENTINEL : value_base,
|
|
std::memory_order_relaxed);
|
|
if (pending) {
|
|
// prevent Write from reordering before expected-value update
|
|
std::atomic_thread_fence(std::memory_order_release);
|
|
}
|
|
}
|
|
|
|
uint32_t Get(int cf, int64_t key) const { return Value(cf, key); }
|
|
|
|
// @param pending See comment above Put()
|
|
// Returns true if the key was not yet deleted.
|
|
bool Delete(int cf, int64_t key, bool pending) {
|
|
if (Value(cf, key) == DELETION_SENTINEL) {
|
|
return false;
|
|
}
|
|
Put(cf, key, DELETION_SENTINEL, pending);
|
|
return true;
|
|
}
|
|
|
|
// @param pending See comment above Put()
|
|
// Returns true if the key was not yet deleted.
|
|
bool SingleDelete(int cf, int64_t key, bool pending) {
|
|
return Delete(cf, key, pending);
|
|
}
|
|
|
|
// @param pending See comment above Put()
|
|
// Returns number of keys deleted by the call.
|
|
int DeleteRange(int cf, int64_t begin_key, int64_t end_key, bool pending) {
|
|
int covered = 0;
|
|
for (int64_t key = begin_key; key < end_key; ++key) {
|
|
if (Delete(cf, key, pending)) {
|
|
++covered;
|
|
}
|
|
}
|
|
return covered;
|
|
}
|
|
|
|
bool AllowsOverwrite(int cf, int64_t key) {
|
|
return no_overwrite_ids_[cf].find(key) == no_overwrite_ids_[cf].end();
|
|
}
|
|
|
|
bool Exists(int cf, int64_t key) {
|
|
// UNKNOWN_SENTINEL counts as exists. That assures a key for which overwrite
|
|
// is disallowed can't be accidentally added a second time, in which case
|
|
// SingleDelete wouldn't be able to properly delete the key. It does allow
|
|
// the case where a SingleDelete might be added which covers nothing, but
|
|
// that's not a correctness issue.
|
|
uint32_t expected_value = Value(cf, key).load();
|
|
return expected_value != DELETION_SENTINEL;
|
|
}
|
|
|
|
uint32_t GetSeed() const { return seed_; }
|
|
|
|
void SetShouldStopBgThread() { should_stop_bg_thread_ = true; }
|
|
|
|
bool ShoudStopBgThread() { return should_stop_bg_thread_; }
|
|
|
|
void SetBgThreadFinish() { bg_thread_finished_ = true; }
|
|
|
|
bool BgThreadFinished() const { return bg_thread_finished_; }
|
|
|
|
bool ShouldVerifyAtBeginning() const {
|
|
return expected_mmap_buffer_.get() != nullptr;
|
|
}
|
|
|
|
private:
|
|
port::Mutex mu_;
|
|
port::CondVar cv_;
|
|
const uint32_t seed_;
|
|
const int64_t max_key_;
|
|
const uint32_t log2_keys_per_lock_;
|
|
const int num_threads_;
|
|
long num_initialized_;
|
|
long num_populated_;
|
|
long vote_reopen_;
|
|
long num_done_;
|
|
bool start_;
|
|
bool start_verify_;
|
|
bool should_stop_bg_thread_;
|
|
bool bg_thread_finished_;
|
|
StressTest* stress_test_;
|
|
std::atomic<bool> verification_failure_;
|
|
|
|
// Keys that should not be overwritten
|
|
std::vector<std::unordered_set<size_t> > no_overwrite_ids_;
|
|
|
|
std::atomic<uint32_t>* values_;
|
|
std::unique_ptr<std::atomic<uint32_t>[]> values_allocation_;
|
|
// Has to make it owned by a smart ptr as port::Mutex is not copyable
|
|
// and storing it in the container may require copying depending on the impl.
|
|
std::vector<std::vector<std::unique_ptr<port::Mutex> > > key_locks_;
|
|
std::unique_ptr<MemoryMappedFileBuffer> expected_mmap_buffer_;
|
|
};
|
|
|
|
const uint32_t SharedState::UNKNOWN_SENTINEL = 0xfffffffe;
|
|
const uint32_t SharedState::DELETION_SENTINEL = 0xffffffff;
|
|
|
|
// Per-thread state for concurrent executions of the same benchmark.
|
|
struct ThreadState {
|
|
uint32_t tid; // 0..n-1
|
|
Random rand; // Has different seeds for different threads
|
|
SharedState* shared;
|
|
Stats stats;
|
|
struct SnapshotState {
|
|
const Snapshot* snapshot;
|
|
// The cf from which we did a Get at this snapshot
|
|
int cf_at;
|
|
// The name of the cf at the time that we did a read
|
|
std::string cf_at_name;
|
|
// The key with which we did a Get at this snapshot
|
|
std::string key;
|
|
// The status of the Get
|
|
Status status;
|
|
// The value of the Get
|
|
std::string value;
|
|
};
|
|
std::queue<std::pair<uint64_t, SnapshotState> > snapshot_queue;
|
|
|
|
ThreadState(uint32_t index, SharedState* _shared)
|
|
: tid(index), rand(1000 + index + _shared->GetSeed()), shared(_shared) {}
|
|
};
|
|
|
|
class DbStressListener : public EventListener {
|
|
public:
|
|
DbStressListener(const std::string& db_name,
|
|
const std::vector<DbPath>& db_paths,
|
|
const std::vector<ColumnFamilyDescriptor>& column_families)
|
|
: db_name_(db_name), db_paths_(db_paths),
|
|
column_families_(column_families) {}
|
|
virtual ~DbStressListener() {}
|
|
#ifndef ROCKSDB_LITE
|
|
virtual void OnFlushCompleted(DB* /*db*/, const FlushJobInfo& info) override {
|
|
assert(IsValidColumnFamilyName(info.cf_name));
|
|
VerifyFilePath(info.file_path);
|
|
// pretending doing some work here
|
|
std::this_thread::sleep_for(
|
|
std::chrono::microseconds(Random::GetTLSInstance()->Uniform(5000)));
|
|
}
|
|
|
|
virtual void OnCompactionCompleted(DB* /*db*/,
|
|
const CompactionJobInfo& ci) override {
|
|
assert(IsValidColumnFamilyName(ci.cf_name));
|
|
assert(ci.input_files.size() + ci.output_files.size() > 0U);
|
|
for (const auto& file_path : ci.input_files) {
|
|
VerifyFilePath(file_path);
|
|
}
|
|
for (const auto& file_path : ci.output_files) {
|
|
VerifyFilePath(file_path);
|
|
}
|
|
// pretending doing some work here
|
|
std::this_thread::sleep_for(
|
|
std::chrono::microseconds(Random::GetTLSInstance()->Uniform(5000)));
|
|
}
|
|
|
|
virtual void OnTableFileCreated(const TableFileCreationInfo& info) override {
|
|
assert(info.db_name == db_name_);
|
|
assert(IsValidColumnFamilyName(info.cf_name));
|
|
VerifyFilePath(info.file_path);
|
|
assert(info.job_id > 0 || FLAGS_compact_files_one_in > 0);
|
|
if (info.status.ok()) {
|
|
assert(info.file_size > 0);
|
|
assert(info.table_properties.data_size > 0);
|
|
assert(info.table_properties.raw_key_size > 0);
|
|
assert(info.table_properties.num_entries > 0);
|
|
}
|
|
}
|
|
|
|
protected:
|
|
bool IsValidColumnFamilyName(const std::string& cf_name) const {
|
|
if (cf_name == kDefaultColumnFamilyName) {
|
|
return true;
|
|
}
|
|
// The column family names in the stress tests are numbers.
|
|
for (size_t i = 0; i < cf_name.size(); ++i) {
|
|
if (cf_name[i] < '0' || cf_name[i] > '9') {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void VerifyFileDir(const std::string& file_dir) {
|
|
#ifndef NDEBUG
|
|
if (db_name_ == file_dir) {
|
|
return;
|
|
}
|
|
for (const auto& db_path : db_paths_) {
|
|
if (db_path.path == file_dir) {
|
|
return;
|
|
}
|
|
}
|
|
for (auto& cf : column_families_) {
|
|
for (const auto& cf_path : cf.options.cf_paths) {
|
|
if (cf_path.path == file_dir) {
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
assert(false);
|
|
#else
|
|
(void)file_dir;
|
|
#endif // !NDEBUG
|
|
}
|
|
|
|
void VerifyFileName(const std::string& file_name) {
|
|
#ifndef NDEBUG
|
|
uint64_t file_number;
|
|
FileType file_type;
|
|
bool result = ParseFileName(file_name, &file_number, &file_type);
|
|
assert(result);
|
|
assert(file_type == kTableFile);
|
|
#else
|
|
(void)file_name;
|
|
#endif // !NDEBUG
|
|
}
|
|
|
|
void VerifyFilePath(const std::string& file_path) {
|
|
#ifndef NDEBUG
|
|
size_t pos = file_path.find_last_of("/");
|
|
if (pos == std::string::npos) {
|
|
VerifyFileName(file_path);
|
|
} else {
|
|
if (pos > 0) {
|
|
VerifyFileDir(file_path.substr(0, pos));
|
|
}
|
|
VerifyFileName(file_path.substr(pos));
|
|
}
|
|
#else
|
|
(void)file_path;
|
|
#endif // !NDEBUG
|
|
}
|
|
#endif // !ROCKSDB_LITE
|
|
|
|
private:
|
|
std::string db_name_;
|
|
std::vector<DbPath> db_paths_;
|
|
std::vector<ColumnFamilyDescriptor> column_families_;
|
|
};
|
|
|
|
} // namespace
|
|
|
|
class StressTest {
|
|
public:
|
|
StressTest()
|
|
: cache_(NewCache(FLAGS_cache_size)),
|
|
compressed_cache_(NewLRUCache(FLAGS_compressed_cache_size)),
|
|
filter_policy_(FLAGS_bloom_bits >= 0
|
|
? FLAGS_use_block_based_filter
|
|
? NewBloomFilterPolicy(FLAGS_bloom_bits, true)
|
|
: NewBloomFilterPolicy(FLAGS_bloom_bits, false)
|
|
: nullptr),
|
|
db_(nullptr),
|
|
#ifndef ROCKSDB_LITE
|
|
txn_db_(nullptr),
|
|
#endif
|
|
new_column_family_name_(1),
|
|
num_times_reopened_(0) {
|
|
if (FLAGS_destroy_db_initially) {
|
|
std::vector<std::string> files;
|
|
FLAGS_env->GetChildren(FLAGS_db, &files);
|
|
for (unsigned int i = 0; i < files.size(); i++) {
|
|
if (Slice(files[i]).starts_with("heap-")) {
|
|
FLAGS_env->DeleteFile(FLAGS_db + "/" + files[i]);
|
|
}
|
|
}
|
|
DestroyDB(FLAGS_db, Options());
|
|
}
|
|
}
|
|
|
|
~StressTest() {
|
|
for (auto cf : column_families_) {
|
|
delete cf;
|
|
}
|
|
column_families_.clear();
|
|
delete db_;
|
|
}
|
|
|
|
std::shared_ptr<Cache> NewCache(size_t capacity) {
|
|
if (capacity <= 0) {
|
|
return nullptr;
|
|
}
|
|
if (FLAGS_use_clock_cache) {
|
|
auto cache = NewClockCache((size_t)capacity);
|
|
if (!cache) {
|
|
fprintf(stderr, "Clock cache not supported.");
|
|
exit(1);
|
|
}
|
|
return cache;
|
|
} else {
|
|
return NewLRUCache((size_t)capacity);
|
|
}
|
|
}
|
|
|
|
bool BuildOptionsTable() {
|
|
if (FLAGS_set_options_one_in <= 0) {
|
|
return true;
|
|
}
|
|
|
|
std::unordered_map<std::string, std::vector<std::string> > options_tbl = {
|
|
{"write_buffer_size",
|
|
{ToString(options_.write_buffer_size),
|
|
ToString(options_.write_buffer_size * 2),
|
|
ToString(options_.write_buffer_size * 4)}},
|
|
{"max_write_buffer_number",
|
|
{ToString(options_.max_write_buffer_number),
|
|
ToString(options_.max_write_buffer_number * 2),
|
|
ToString(options_.max_write_buffer_number * 4)}},
|
|
{"arena_block_size",
|
|
{
|
|
ToString(options_.arena_block_size),
|
|
ToString(options_.write_buffer_size / 4),
|
|
ToString(options_.write_buffer_size / 8),
|
|
}},
|
|
{"memtable_huge_page_size", {"0", ToString(2 * 1024 * 1024)}},
|
|
{"max_successive_merges", {"0", "2", "4"}},
|
|
{"inplace_update_num_locks", {"100", "200", "300"}},
|
|
// TODO(ljin): enable test for this option
|
|
// {"disable_auto_compactions", {"100", "200", "300"}},
|
|
{"soft_rate_limit", {"0", "0.5", "0.9"}},
|
|
{"hard_rate_limit", {"0", "1.1", "2.0"}},
|
|
{"level0_file_num_compaction_trigger",
|
|
{
|
|
ToString(options_.level0_file_num_compaction_trigger),
|
|
ToString(options_.level0_file_num_compaction_trigger + 2),
|
|
ToString(options_.level0_file_num_compaction_trigger + 4),
|
|
}},
|
|
{"level0_slowdown_writes_trigger",
|
|
{
|
|
ToString(options_.level0_slowdown_writes_trigger),
|
|
ToString(options_.level0_slowdown_writes_trigger + 2),
|
|
ToString(options_.level0_slowdown_writes_trigger + 4),
|
|
}},
|
|
{"level0_stop_writes_trigger",
|
|
{
|
|
ToString(options_.level0_stop_writes_trigger),
|
|
ToString(options_.level0_stop_writes_trigger + 2),
|
|
ToString(options_.level0_stop_writes_trigger + 4),
|
|
}},
|
|
{"max_compaction_bytes",
|
|
{
|
|
ToString(options_.target_file_size_base * 5),
|
|
ToString(options_.target_file_size_base * 15),
|
|
ToString(options_.target_file_size_base * 100),
|
|
}},
|
|
{"target_file_size_base",
|
|
{
|
|
ToString(options_.target_file_size_base),
|
|
ToString(options_.target_file_size_base * 2),
|
|
ToString(options_.target_file_size_base * 4),
|
|
}},
|
|
{"target_file_size_multiplier",
|
|
{
|
|
ToString(options_.target_file_size_multiplier), "1", "2",
|
|
}},
|
|
{"max_bytes_for_level_base",
|
|
{
|
|
ToString(options_.max_bytes_for_level_base / 2),
|
|
ToString(options_.max_bytes_for_level_base),
|
|
ToString(options_.max_bytes_for_level_base * 2),
|
|
}},
|
|
{"max_bytes_for_level_multiplier",
|
|
{
|
|
ToString(options_.max_bytes_for_level_multiplier), "1", "2",
|
|
}},
|
|
{"max_sequential_skip_in_iterations", {"4", "8", "12"}},
|
|
};
|
|
|
|
options_table_ = std::move(options_tbl);
|
|
|
|
for (const auto& iter : options_table_) {
|
|
options_index_.push_back(iter.first);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool Run() {
|
|
PrintEnv();
|
|
Open();
|
|
BuildOptionsTable();
|
|
SharedState shared(this);
|
|
uint32_t n = shared.GetNumThreads();
|
|
|
|
std::vector<ThreadState*> threads(n);
|
|
for (uint32_t i = 0; i < n; i++) {
|
|
threads[i] = new ThreadState(i, &shared);
|
|
FLAGS_env->StartThread(ThreadBody, threads[i]);
|
|
}
|
|
ThreadState bg_thread(0, &shared);
|
|
if (FLAGS_compaction_thread_pool_adjust_interval > 0) {
|
|
FLAGS_env->StartThread(PoolSizeChangeThread, &bg_thread);
|
|
}
|
|
|
|
// Each thread goes through the following states:
|
|
// initializing -> wait for others to init -> read/populate/depopulate
|
|
// wait for others to operate -> verify -> done
|
|
|
|
{
|
|
MutexLock l(shared.GetMutex());
|
|
while (!shared.AllInitialized()) {
|
|
shared.GetCondVar()->Wait();
|
|
}
|
|
if (shared.ShouldVerifyAtBeginning()) {
|
|
if (shared.HasVerificationFailedYet()) {
|
|
printf("Crash-recovery verification failed :(\n");
|
|
} else {
|
|
printf("Crash-recovery verification passed :)\n");
|
|
}
|
|
}
|
|
|
|
auto now = FLAGS_env->NowMicros();
|
|
fprintf(stdout, "%s Starting database operations\n",
|
|
FLAGS_env->TimeToString(now/1000000).c_str());
|
|
|
|
shared.SetStart();
|
|
shared.GetCondVar()->SignalAll();
|
|
while (!shared.AllOperated()) {
|
|
shared.GetCondVar()->Wait();
|
|
}
|
|
|
|
now = FLAGS_env->NowMicros();
|
|
if (FLAGS_test_batches_snapshots) {
|
|
fprintf(stdout, "%s Limited verification already done during gets\n",
|
|
FLAGS_env->TimeToString((uint64_t) now/1000000).c_str());
|
|
} else {
|
|
fprintf(stdout, "%s Starting verification\n",
|
|
FLAGS_env->TimeToString((uint64_t) now/1000000).c_str());
|
|
}
|
|
|
|
shared.SetStartVerify();
|
|
shared.GetCondVar()->SignalAll();
|
|
while (!shared.AllDone()) {
|
|
shared.GetCondVar()->Wait();
|
|
}
|
|
}
|
|
|
|
for (unsigned int i = 1; i < n; i++) {
|
|
threads[0]->stats.Merge(threads[i]->stats);
|
|
}
|
|
threads[0]->stats.Report("Stress Test");
|
|
|
|
for (unsigned int i = 0; i < n; i++) {
|
|
delete threads[i];
|
|
threads[i] = nullptr;
|
|
}
|
|
auto now = FLAGS_env->NowMicros();
|
|
if (!FLAGS_test_batches_snapshots && !shared.HasVerificationFailedYet()) {
|
|
fprintf(stdout, "%s Verification successful\n",
|
|
FLAGS_env->TimeToString(now/1000000).c_str());
|
|
}
|
|
PrintStatistics();
|
|
|
|
if (FLAGS_compaction_thread_pool_adjust_interval > 0) {
|
|
MutexLock l(shared.GetMutex());
|
|
shared.SetShouldStopBgThread();
|
|
while (!shared.BgThreadFinished()) {
|
|
shared.GetCondVar()->Wait();
|
|
}
|
|
}
|
|
|
|
if (shared.HasVerificationFailedYet()) {
|
|
printf("Verification failed :(\n");
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
private:
|
|
Status AssertSame(DB* db, ColumnFamilyHandle* cf,
|
|
ThreadState::SnapshotState& snap_state) {
|
|
Status s;
|
|
if (cf->GetName() != snap_state.cf_at_name) {
|
|
return s;
|
|
}
|
|
ReadOptions ropt;
|
|
ropt.snapshot = snap_state.snapshot;
|
|
PinnableSlice exp_v(&snap_state.value);
|
|
exp_v.PinSelf();
|
|
PinnableSlice v;
|
|
s = db->Get(ropt, cf, snap_state.key, &v);
|
|
if (!s.ok() && !s.IsNotFound()) {
|
|
return s;
|
|
}
|
|
if (snap_state.status != s) {
|
|
return Status::Corruption(
|
|
"The snapshot gave inconsistent results for key " +
|
|
ToString(Hash(snap_state.key.c_str(), snap_state.key.size(), 0)) +
|
|
" in cf " + cf->GetName() + ": (" + snap_state.status.ToString() +
|
|
") vs. (" + s.ToString() + ")");
|
|
}
|
|
if (s.ok()) {
|
|
if (exp_v != v) {
|
|
return Status::Corruption("The snapshot gave inconsistent values: (" +
|
|
exp_v.ToString() + ") vs. (" + v.ToString() +
|
|
")");
|
|
}
|
|
}
|
|
return Status::OK();
|
|
}
|
|
|
|
static void ThreadBody(void* v) {
|
|
ThreadState* thread = reinterpret_cast<ThreadState*>(v);
|
|
SharedState* shared = thread->shared;
|
|
|
|
if (shared->ShouldVerifyAtBeginning()) {
|
|
thread->shared->GetStressTest()->VerifyDb(thread);
|
|
}
|
|
{
|
|
MutexLock l(shared->GetMutex());
|
|
shared->IncInitialized();
|
|
if (shared->AllInitialized()) {
|
|
shared->GetCondVar()->SignalAll();
|
|
}
|
|
while (!shared->Started()) {
|
|
shared->GetCondVar()->Wait();
|
|
}
|
|
}
|
|
thread->shared->GetStressTest()->OperateDb(thread);
|
|
|
|
{
|
|
MutexLock l(shared->GetMutex());
|
|
shared->IncOperated();
|
|
if (shared->AllOperated()) {
|
|
shared->GetCondVar()->SignalAll();
|
|
}
|
|
while (!shared->VerifyStarted()) {
|
|
shared->GetCondVar()->Wait();
|
|
}
|
|
}
|
|
|
|
if (!FLAGS_test_batches_snapshots) {
|
|
thread->shared->GetStressTest()->VerifyDb(thread);
|
|
}
|
|
|
|
{
|
|
MutexLock l(shared->GetMutex());
|
|
shared->IncDone();
|
|
if (shared->AllDone()) {
|
|
shared->GetCondVar()->SignalAll();
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
static void PoolSizeChangeThread(void* v) {
|
|
assert(FLAGS_compaction_thread_pool_adjust_interval > 0);
|
|
ThreadState* thread = reinterpret_cast<ThreadState*>(v);
|
|
SharedState* shared = thread->shared;
|
|
|
|
while (true) {
|
|
{
|
|
MutexLock l(shared->GetMutex());
|
|
if (shared->ShoudStopBgThread()) {
|
|
shared->SetBgThreadFinish();
|
|
shared->GetCondVar()->SignalAll();
|
|
return;
|
|
}
|
|
}
|
|
|
|
auto thread_pool_size_base = FLAGS_max_background_compactions;
|
|
auto thread_pool_size_var = FLAGS_compaction_thread_pool_variations;
|
|
int new_thread_pool_size =
|
|
thread_pool_size_base - thread_pool_size_var +
|
|
thread->rand.Next() % (thread_pool_size_var * 2 + 1);
|
|
if (new_thread_pool_size < 1) {
|
|
new_thread_pool_size = 1;
|
|
}
|
|
FLAGS_env->SetBackgroundThreads(new_thread_pool_size);
|
|
// Sleep up to 3 seconds
|
|
FLAGS_env->SleepForMicroseconds(
|
|
thread->rand.Next() % FLAGS_compaction_thread_pool_adjust_interval *
|
|
1000 +
|
|
1);
|
|
}
|
|
}
|
|
|
|
// Given a key K and value V, this puts ("0"+K, "0"+V), ("1"+K, "1"+V), ...
|
|
// ("9"+K, "9"+V) in DB atomically i.e in a single batch.
|
|
// Also refer MultiGet.
|
|
Status MultiPut(ThreadState* thread, const WriteOptions& writeoptions,
|
|
ColumnFamilyHandle* column_family, const Slice& key,
|
|
const Slice& value, size_t sz) {
|
|
std::string keys[10] = {"9", "8", "7", "6", "5",
|
|
"4", "3", "2", "1", "0"};
|
|
std::string values[10] = {"9", "8", "7", "6", "5",
|
|
"4", "3", "2", "1", "0"};
|
|
Slice value_slices[10];
|
|
WriteBatch batch;
|
|
Status s;
|
|
for (int i = 0; i < 10; i++) {
|
|
keys[i] += key.ToString();
|
|
values[i] += value.ToString();
|
|
value_slices[i] = values[i];
|
|
if (FLAGS_use_merge) {
|
|
batch.Merge(column_family, keys[i], value_slices[i]);
|
|
} else {
|
|
batch.Put(column_family, keys[i], value_slices[i]);
|
|
}
|
|
}
|
|
|
|
s = db_->Write(writeoptions, &batch);
|
|
if (!s.ok()) {
|
|
fprintf(stderr, "multiput error: %s\n", s.ToString().c_str());
|
|
thread->stats.AddErrors(1);
|
|
} else {
|
|
// we did 10 writes each of size sz + 1
|
|
thread->stats.AddBytesForWrites(10, (sz + 1) * 10);
|
|
}
|
|
|
|
return s;
|
|
}
|
|
|
|
// Given a key K, this deletes ("0"+K), ("1"+K),... ("9"+K)
|
|
// in DB atomically i.e in a single batch. Also refer MultiGet.
|
|
Status MultiDelete(ThreadState* thread, const WriteOptions& writeoptions,
|
|
ColumnFamilyHandle* column_family, const Slice& key) {
|
|
std::string keys[10] = {"9", "7", "5", "3", "1",
|
|
"8", "6", "4", "2", "0"};
|
|
|
|
WriteBatch batch;
|
|
Status s;
|
|
for (int i = 0; i < 10; i++) {
|
|
keys[i] += key.ToString();
|
|
batch.Delete(column_family, keys[i]);
|
|
}
|
|
|
|
s = db_->Write(writeoptions, &batch);
|
|
if (!s.ok()) {
|
|
fprintf(stderr, "multidelete error: %s\n", s.ToString().c_str());
|
|
thread->stats.AddErrors(1);
|
|
} else {
|
|
thread->stats.AddDeletes(10);
|
|
}
|
|
|
|
return s;
|
|
}
|
|
|
|
// Given a key K, this gets values for "0"+K, "1"+K,..."9"+K
|
|
// in the same snapshot, and verifies that all the values are of the form
|
|
// "0"+V, "1"+V,..."9"+V.
|
|
// ASSUMES that MultiPut was used to put (K, V) into the DB.
|
|
Status MultiGet(ThreadState* thread, const ReadOptions& readoptions,
|
|
ColumnFamilyHandle* column_family, const Slice& key,
|
|
std::string* value) {
|
|
std::string keys[10] = {"0", "1", "2", "3", "4", "5", "6", "7", "8", "9"};
|
|
Slice key_slices[10];
|
|
std::string values[10];
|
|
ReadOptions readoptionscopy = readoptions;
|
|
readoptionscopy.snapshot = db_->GetSnapshot();
|
|
Status s;
|
|
for (int i = 0; i < 10; i++) {
|
|
keys[i] += key.ToString();
|
|
key_slices[i] = keys[i];
|
|
s = db_->Get(readoptionscopy, column_family, key_slices[i], value);
|
|
if (!s.ok() && !s.IsNotFound()) {
|
|
fprintf(stderr, "get error: %s\n", s.ToString().c_str());
|
|
values[i] = "";
|
|
thread->stats.AddErrors(1);
|
|
// we continue after error rather than exiting so that we can
|
|
// find more errors if any
|
|
} else if (s.IsNotFound()) {
|
|
values[i] = "";
|
|
thread->stats.AddGets(1, 0);
|
|
} else {
|
|
values[i] = *value;
|
|
|
|
char expected_prefix = (keys[i])[0];
|
|
char actual_prefix = (values[i])[0];
|
|
if (actual_prefix != expected_prefix) {
|
|
fprintf(stderr, "error expected prefix = %c actual = %c\n",
|
|
expected_prefix, actual_prefix);
|
|
}
|
|
(values[i])[0] = ' '; // blank out the differing character
|
|
thread->stats.AddGets(1, 1);
|
|
}
|
|
}
|
|
db_->ReleaseSnapshot(readoptionscopy.snapshot);
|
|
|
|
// Now that we retrieved all values, check that they all match
|
|
for (int i = 1; i < 10; i++) {
|
|
if (values[i] != values[0]) {
|
|
fprintf(stderr, "error : inconsistent values for key %s: %s, %s\n",
|
|
key.ToString(true).c_str(), StringToHex(values[0]).c_str(),
|
|
StringToHex(values[i]).c_str());
|
|
// we continue after error rather than exiting so that we can
|
|
// find more errors if any
|
|
}
|
|
}
|
|
|
|
return s;
|
|
}
|
|
|
|
// Given a key, this does prefix scans for "0"+P, "1"+P,..."9"+P
|
|
// in the same snapshot where P is the first FLAGS_prefix_size - 1 bytes
|
|
// of the key. Each of these 10 scans returns a series of values;
|
|
// each series should be the same length, and it is verified for each
|
|
// index i that all the i'th values are of the form "0"+V, "1"+V,..."9"+V.
|
|
// ASSUMES that MultiPut was used to put (K, V)
|
|
Status MultiPrefixScan(ThreadState* thread, const ReadOptions& readoptions,
|
|
ColumnFamilyHandle* column_family,
|
|
const Slice& key) {
|
|
std::string prefixes[10] = {"0", "1", "2", "3", "4",
|
|
"5", "6", "7", "8", "9"};
|
|
Slice prefix_slices[10];
|
|
ReadOptions readoptionscopy[10];
|
|
const Snapshot* snapshot = db_->GetSnapshot();
|
|
Iterator* iters[10];
|
|
Status s = Status::OK();
|
|
for (int i = 0; i < 10; i++) {
|
|
prefixes[i] += key.ToString();
|
|
prefixes[i].resize(FLAGS_prefix_size);
|
|
prefix_slices[i] = Slice(prefixes[i]);
|
|
readoptionscopy[i] = readoptions;
|
|
readoptionscopy[i].snapshot = snapshot;
|
|
iters[i] = db_->NewIterator(readoptionscopy[i], column_family);
|
|
iters[i]->Seek(prefix_slices[i]);
|
|
}
|
|
|
|
int count = 0;
|
|
while (iters[0]->Valid() && iters[0]->key().starts_with(prefix_slices[0])) {
|
|
count++;
|
|
std::string values[10];
|
|
// get list of all values for this iteration
|
|
for (int i = 0; i < 10; i++) {
|
|
// no iterator should finish before the first one
|
|
assert(iters[i]->Valid() &&
|
|
iters[i]->key().starts_with(prefix_slices[i]));
|
|
values[i] = iters[i]->value().ToString();
|
|
|
|
char expected_first = (prefixes[i])[0];
|
|
char actual_first = (values[i])[0];
|
|
|
|
if (actual_first != expected_first) {
|
|
fprintf(stderr, "error expected first = %c actual = %c\n",
|
|
expected_first, actual_first);
|
|
}
|
|
(values[i])[0] = ' '; // blank out the differing character
|
|
}
|
|
// make sure all values are equivalent
|
|
for (int i = 0; i < 10; i++) {
|
|
if (values[i] != values[0]) {
|
|
fprintf(stderr, "error : %d, inconsistent values for prefix %s: %s, %s\n",
|
|
i, prefixes[i].c_str(), StringToHex(values[0]).c_str(),
|
|
StringToHex(values[i]).c_str());
|
|
// we continue after error rather than exiting so that we can
|
|
// find more errors if any
|
|
}
|
|
iters[i]->Next();
|
|
}
|
|
}
|
|
|
|
// cleanup iterators and snapshot
|
|
for (int i = 0; i < 10; i++) {
|
|
// if the first iterator finished, they should have all finished
|
|
assert(!iters[i]->Valid() ||
|
|
!iters[i]->key().starts_with(prefix_slices[i]));
|
|
assert(iters[i]->status().ok());
|
|
delete iters[i];
|
|
}
|
|
db_->ReleaseSnapshot(snapshot);
|
|
|
|
if (s.ok()) {
|
|
thread->stats.AddPrefixes(1, count);
|
|
} else {
|
|
thread->stats.AddErrors(1);
|
|
}
|
|
|
|
return s;
|
|
}
|
|
|
|
// Given a key K, this creates an iterator which scans to K and then
|
|
// does a random sequence of Next/Prev operations.
|
|
Status MultiIterate(ThreadState* thread, const ReadOptions& readoptions,
|
|
ColumnFamilyHandle* column_family, const Slice& key) {
|
|
Status s;
|
|
const Snapshot* snapshot = db_->GetSnapshot();
|
|
ReadOptions readoptionscopy = readoptions;
|
|
readoptionscopy.snapshot = snapshot;
|
|
unique_ptr<Iterator> iter(db_->NewIterator(readoptionscopy, column_family));
|
|
|
|
iter->Seek(key);
|
|
for (uint64_t i = 0; i < FLAGS_num_iterations && iter->Valid(); i++) {
|
|
if (thread->rand.OneIn(2)) {
|
|
iter->Next();
|
|
} else {
|
|
iter->Prev();
|
|
}
|
|
}
|
|
|
|
if (s.ok()) {
|
|
thread->stats.AddIterations(1);
|
|
} else {
|
|
thread->stats.AddErrors(1);
|
|
}
|
|
|
|
db_->ReleaseSnapshot(snapshot);
|
|
|
|
return s;
|
|
}
|
|
|
|
Status SetOptions(ThreadState* thread) {
|
|
assert(FLAGS_set_options_one_in > 0);
|
|
std::unordered_map<std::string, std::string> opts;
|
|
std::string name = options_index_[
|
|
thread->rand.Next() % options_index_.size()];
|
|
int value_idx = thread->rand.Next() % options_table_[name].size();
|
|
if (name == "soft_rate_limit" || name == "hard_rate_limit") {
|
|
opts["soft_rate_limit"] = options_table_["soft_rate_limit"][value_idx];
|
|
opts["hard_rate_limit"] = options_table_["hard_rate_limit"][value_idx];
|
|
} else if (name == "level0_file_num_compaction_trigger" ||
|
|
name == "level0_slowdown_writes_trigger" ||
|
|
name == "level0_stop_writes_trigger") {
|
|
opts["level0_file_num_compaction_trigger"] =
|
|
options_table_["level0_file_num_compaction_trigger"][value_idx];
|
|
opts["level0_slowdown_writes_trigger"] =
|
|
options_table_["level0_slowdown_writes_trigger"][value_idx];
|
|
opts["level0_stop_writes_trigger"] =
|
|
options_table_["level0_stop_writes_trigger"][value_idx];
|
|
} else {
|
|
opts[name] = options_table_[name][value_idx];
|
|
}
|
|
|
|
int rand_cf_idx = thread->rand.Next() % FLAGS_column_families;
|
|
auto cfh = column_families_[rand_cf_idx];
|
|
return db_->SetOptions(cfh, opts);
|
|
}
|
|
|
|
#ifndef ROCKSDB_LITE
|
|
Status NewTxn(WriteOptions& write_opts, Transaction** txn) {
|
|
if (!FLAGS_use_txn) {
|
|
return Status::InvalidArgument("NewTxn when FLAGS_use_txn is not set");
|
|
}
|
|
static std::atomic<uint64_t> txn_id = {0};
|
|
TransactionOptions txn_options;
|
|
*txn = txn_db_->BeginTransaction(write_opts, txn_options);
|
|
auto istr = std::to_string(txn_id.fetch_add(1));
|
|
Status s = (*txn)->SetName("xid" + istr);
|
|
return s;
|
|
}
|
|
|
|
Status CommitTxn(Transaction* txn) {
|
|
if (!FLAGS_use_txn) {
|
|
return Status::InvalidArgument("CommitTxn when FLAGS_use_txn is not set");
|
|
}
|
|
Status s = txn->Prepare();
|
|
if (s.ok()) {
|
|
s = txn->Commit();
|
|
}
|
|
delete txn;
|
|
return s;
|
|
}
|
|
#endif
|
|
|
|
void OperateDb(ThreadState* thread) {
|
|
ReadOptions read_opts(FLAGS_verify_checksum, true);
|
|
WriteOptions write_opts;
|
|
auto shared = thread->shared;
|
|
char value[100];
|
|
auto max_key = thread->shared->GetMaxKey();
|
|
std::string from_db;
|
|
if (FLAGS_sync) {
|
|
write_opts.sync = true;
|
|
}
|
|
write_opts.disableWAL = FLAGS_disable_wal;
|
|
const int prefixBound = (int)FLAGS_readpercent + (int)FLAGS_prefixpercent;
|
|
const int writeBound = prefixBound + (int)FLAGS_writepercent;
|
|
const int delBound = writeBound + (int)FLAGS_delpercent;
|
|
const int delRangeBound = delBound + (int)FLAGS_delrangepercent;
|
|
|
|
thread->stats.Start();
|
|
for (uint64_t i = 0; i < FLAGS_ops_per_thread; i++) {
|
|
if (thread->shared->HasVerificationFailedYet()) {
|
|
break;
|
|
}
|
|
if (i != 0 && (i % (FLAGS_ops_per_thread / (FLAGS_reopen + 1))) == 0) {
|
|
{
|
|
thread->stats.FinishedSingleOp();
|
|
MutexLock l(thread->shared->GetMutex());
|
|
while (!thread->snapshot_queue.empty()) {
|
|
db_->ReleaseSnapshot(
|
|
thread->snapshot_queue.front().second.snapshot);
|
|
thread->snapshot_queue.pop();
|
|
}
|
|
thread->shared->IncVotedReopen();
|
|
if (thread->shared->AllVotedReopen()) {
|
|
thread->shared->GetStressTest()->Reopen();
|
|
thread->shared->GetCondVar()->SignalAll();
|
|
}
|
|
else {
|
|
thread->shared->GetCondVar()->Wait();
|
|
}
|
|
// Commenting this out as we don't want to reset stats on each open.
|
|
// thread->stats.Start();
|
|
}
|
|
}
|
|
|
|
// Change Options
|
|
if (FLAGS_set_options_one_in > 0 &&
|
|
thread->rand.OneIn(FLAGS_set_options_one_in)) {
|
|
SetOptions(thread);
|
|
}
|
|
|
|
if (FLAGS_set_in_place_one_in > 0 &&
|
|
thread->rand.OneIn(FLAGS_set_in_place_one_in)) {
|
|
options_.inplace_update_support ^= options_.inplace_update_support;
|
|
}
|
|
|
|
if (!FLAGS_test_batches_snapshots &&
|
|
FLAGS_clear_column_family_one_in != 0 && FLAGS_column_families > 1) {
|
|
if (thread->rand.OneIn(FLAGS_clear_column_family_one_in)) {
|
|
// drop column family and then create it again (can't drop default)
|
|
int cf = thread->rand.Next() % (FLAGS_column_families - 1) + 1;
|
|
std::string new_name =
|
|
ToString(new_column_family_name_.fetch_add(1));
|
|
{
|
|
MutexLock l(thread->shared->GetMutex());
|
|
fprintf(
|
|
stdout,
|
|
"[CF %d] Dropping and recreating column family. new name: %s\n",
|
|
cf, new_name.c_str());
|
|
}
|
|
thread->shared->LockColumnFamily(cf);
|
|
Status s __attribute__((__unused__));
|
|
s = db_->DropColumnFamily(column_families_[cf]);
|
|
delete column_families_[cf];
|
|
if (!s.ok()) {
|
|
fprintf(stderr, "dropping column family error: %s\n",
|
|
s.ToString().c_str());
|
|
std::terminate();
|
|
}
|
|
s = db_->CreateColumnFamily(ColumnFamilyOptions(options_), new_name,
|
|
&column_families_[cf]);
|
|
column_family_names_[cf] = new_name;
|
|
thread->shared->ClearColumnFamily(cf);
|
|
if (!s.ok()) {
|
|
fprintf(stderr, "creating column family error: %s\n",
|
|
s.ToString().c_str());
|
|
std::terminate();
|
|
}
|
|
thread->shared->UnlockColumnFamily(cf);
|
|
}
|
|
}
|
|
|
|
#ifndef ROCKSDB_LITE // Lite does not support GetColumnFamilyMetaData
|
|
if (FLAGS_compact_files_one_in > 0 &&
|
|
thread->rand.Uniform(FLAGS_compact_files_one_in) == 0) {
|
|
auto* random_cf =
|
|
column_families_[thread->rand.Next() % FLAGS_column_families];
|
|
rocksdb::ColumnFamilyMetaData cf_meta_data;
|
|
db_->GetColumnFamilyMetaData(random_cf, &cf_meta_data);
|
|
|
|
// Randomly compact up to three consecutive files from a level
|
|
const int kMaxRetry = 3;
|
|
for (int attempt = 0; attempt < kMaxRetry; ++attempt) {
|
|
size_t random_level = thread->rand.Uniform(
|
|
static_cast<int>(cf_meta_data.levels.size()));
|
|
|
|
const auto& files = cf_meta_data.levels[random_level].files;
|
|
if (files.size() > 0) {
|
|
size_t random_file_index =
|
|
thread->rand.Uniform(static_cast<int>(files.size()));
|
|
if (files[random_file_index].being_compacted) {
|
|
// Retry as the selected file is currently being compacted
|
|
continue;
|
|
}
|
|
|
|
std::vector<std::string> input_files;
|
|
input_files.push_back(files[random_file_index].name);
|
|
if (random_file_index > 0 &&
|
|
!files[random_file_index - 1].being_compacted) {
|
|
input_files.push_back(files[random_file_index - 1].name);
|
|
}
|
|
if (random_file_index + 1 < files.size() &&
|
|
!files[random_file_index + 1].being_compacted) {
|
|
input_files.push_back(files[random_file_index + 1].name);
|
|
}
|
|
|
|
size_t output_level =
|
|
std::min(random_level + 1, cf_meta_data.levels.size() - 1);
|
|
auto s =
|
|
db_->CompactFiles(CompactionOptions(), random_cf, input_files,
|
|
static_cast<int>(output_level));
|
|
if (!s.ok()) {
|
|
printf("Unable to perform CompactFiles(): %s\n",
|
|
s.ToString().c_str());
|
|
thread->stats.AddNumCompactFilesFailed(1);
|
|
} else {
|
|
thread->stats.AddNumCompactFilesSucceed(1);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
#endif // !ROCKSDB_LITE
|
|
const double completed_ratio =
|
|
static_cast<double>(i) / FLAGS_ops_per_thread;
|
|
const int64_t base_key = static_cast<int64_t>(
|
|
completed_ratio * (FLAGS_max_key - FLAGS_active_width));
|
|
int64_t rand_key = base_key + thread->rand.Next() % FLAGS_active_width;
|
|
int rand_column_family = thread->rand.Next() % FLAGS_column_families;
|
|
std::string keystr = Key(rand_key);
|
|
Slice key = keystr;
|
|
std::unique_ptr<MutexLock> l;
|
|
if (!FLAGS_test_batches_snapshots) {
|
|
l.reset(new MutexLock(
|
|
shared->GetMutexForKey(rand_column_family, rand_key)));
|
|
}
|
|
|
|
auto column_family = column_families_[rand_column_family];
|
|
|
|
if (FLAGS_acquire_snapshot_one_in > 0 &&
|
|
thread->rand.Uniform(FLAGS_acquire_snapshot_one_in) == 0) {
|
|
auto snapshot = db_->GetSnapshot();
|
|
ReadOptions ropt;
|
|
ropt.snapshot = snapshot;
|
|
std::string value_at;
|
|
// When taking a snapshot, we also read a key from that snapshot. We
|
|
// will later read the same key before releasing the snapshot and verify
|
|
// that the results are the same.
|
|
auto status_at = db_->Get(ropt, column_family, key, &value_at);
|
|
ThreadState::SnapshotState snap_state = {
|
|
snapshot, rand_column_family, column_family->GetName(),
|
|
keystr, status_at, value_at};
|
|
thread->snapshot_queue.emplace(
|
|
std::min(FLAGS_ops_per_thread - 1, i + FLAGS_snapshot_hold_ops),
|
|
snap_state);
|
|
}
|
|
while (!thread->snapshot_queue.empty() &&
|
|
i == thread->snapshot_queue.front().first) {
|
|
auto snap_state = thread->snapshot_queue.front().second;
|
|
assert(snap_state.snapshot);
|
|
// Note: this is unsafe as the cf might be dropped concurrently. But it
|
|
// is ok since unclean cf drop is cunnrently not supported by write
|
|
// prepared transactions.
|
|
Status s =
|
|
AssertSame(db_, column_families_[snap_state.cf_at], snap_state);
|
|
if (!s.ok()) {
|
|
VerificationAbort(shared, "Snapshot gave inconsistent state", s);
|
|
}
|
|
db_->ReleaseSnapshot(snap_state.snapshot);
|
|
thread->snapshot_queue.pop();
|
|
}
|
|
|
|
int prob_op = thread->rand.Uniform(100);
|
|
if (prob_op >= 0 && prob_op < (int)FLAGS_readpercent) {
|
|
// OPERATION read
|
|
if (!FLAGS_test_batches_snapshots) {
|
|
Status s = db_->Get(read_opts, column_family, key, &from_db);
|
|
if (s.ok()) {
|
|
// found case
|
|
thread->stats.AddGets(1, 1);
|
|
} else if (s.IsNotFound()) {
|
|
// not found case
|
|
thread->stats.AddGets(1, 0);
|
|
} else {
|
|
// errors case
|
|
thread->stats.AddErrors(1);
|
|
}
|
|
} else {
|
|
MultiGet(thread, read_opts, column_family, key, &from_db);
|
|
}
|
|
} else if ((int)FLAGS_readpercent <= prob_op && prob_op < prefixBound) {
|
|
// OPERATION prefix scan
|
|
// keys are 8 bytes long, prefix size is FLAGS_prefix_size. There are
|
|
// (8 - FLAGS_prefix_size) bytes besides the prefix. So there will
|
|
// be 2 ^ ((8 - FLAGS_prefix_size) * 8) possible keys with the same
|
|
// prefix
|
|
if (!FLAGS_test_batches_snapshots) {
|
|
Slice prefix = Slice(key.data(), FLAGS_prefix_size);
|
|
Iterator* iter = db_->NewIterator(read_opts, column_family);
|
|
int64_t count = 0;
|
|
for (iter->Seek(prefix);
|
|
iter->Valid() && iter->key().starts_with(prefix); iter->Next()) {
|
|
++count;
|
|
}
|
|
assert(count <=
|
|
(static_cast<int64_t>(1) << ((8 - FLAGS_prefix_size) * 8)));
|
|
if (iter->status().ok()) {
|
|
thread->stats.AddPrefixes(1, static_cast<int>(count));
|
|
} else {
|
|
thread->stats.AddErrors(1);
|
|
}
|
|
delete iter;
|
|
} else {
|
|
MultiPrefixScan(thread, read_opts, column_family, key);
|
|
}
|
|
} else if (prefixBound <= prob_op && prob_op < writeBound) {
|
|
// OPERATION write
|
|
uint32_t value_base = thread->rand.Next() % shared->UNKNOWN_SENTINEL;
|
|
size_t sz = GenerateValue(value_base, value, sizeof(value));
|
|
Slice v(value, sz);
|
|
if (!FLAGS_test_batches_snapshots) {
|
|
// If the chosen key does not allow overwrite and it already
|
|
// exists, choose another key. Also avoid using merge operands in
|
|
// no-overwrite positions (where single delete will be called later),
|
|
// as those features have undefined behavior when used together.
|
|
while (!shared->AllowsOverwrite(rand_column_family, rand_key) &&
|
|
(FLAGS_use_merge ||
|
|
shared->Exists(rand_column_family, rand_key))) {
|
|
l.reset();
|
|
rand_key = thread->rand.Next() % max_key;
|
|
rand_column_family = thread->rand.Next() % FLAGS_column_families;
|
|
l.reset(new MutexLock(
|
|
shared->GetMutexForKey(rand_column_family, rand_key)));
|
|
}
|
|
|
|
keystr = Key(rand_key);
|
|
key = keystr;
|
|
column_family = column_families_[rand_column_family];
|
|
|
|
if (FLAGS_verify_before_write) {
|
|
std::string keystr2 = Key(rand_key);
|
|
Slice k = keystr2;
|
|
Status s = db_->Get(read_opts, column_family, k, &from_db);
|
|
if (!VerifyValue(rand_column_family, rand_key, read_opts,
|
|
thread->shared, from_db, s, true)) {
|
|
break;
|
|
}
|
|
}
|
|
shared->Put(rand_column_family, rand_key, value_base,
|
|
true /* pending */);
|
|
Status s;
|
|
if (FLAGS_use_merge) {
|
|
if (!FLAGS_use_txn) {
|
|
s = db_->Merge(write_opts, column_family, key, v);
|
|
} else {
|
|
#ifndef ROCKSDB_LITE
|
|
Transaction* txn;
|
|
s = NewTxn(write_opts, &txn);
|
|
if (s.ok()) {
|
|
s = txn->Merge(column_family, key, v);
|
|
if (s.ok()) {
|
|
s = CommitTxn(txn);
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
} else {
|
|
if (!FLAGS_use_txn) {
|
|
s = db_->Put(write_opts, column_family, key, v);
|
|
} else {
|
|
#ifndef ROCKSDB_LITE
|
|
Transaction* txn;
|
|
s = NewTxn(write_opts, &txn);
|
|
if (s.ok()) {
|
|
s = txn->Put(column_family, key, v);
|
|
if (s.ok()) {
|
|
s = CommitTxn(txn);
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
shared->Put(rand_column_family, rand_key, value_base,
|
|
false /* pending */);
|
|
if (!s.ok()) {
|
|
fprintf(stderr, "put or merge error: %s\n", s.ToString().c_str());
|
|
std::terminate();
|
|
}
|
|
thread->stats.AddBytesForWrites(1, sz);
|
|
} else {
|
|
MultiPut(thread, write_opts, column_family, key, v, sz);
|
|
}
|
|
PrintKeyValue(rand_column_family, static_cast<uint32_t>(rand_key),
|
|
value, sz);
|
|
} else if (writeBound <= prob_op && prob_op < delBound) {
|
|
// OPERATION delete
|
|
if (!FLAGS_test_batches_snapshots) {
|
|
// If the chosen key does not allow overwrite and it does not exist,
|
|
// choose another key.
|
|
while (!shared->AllowsOverwrite(rand_column_family, rand_key) &&
|
|
!shared->Exists(rand_column_family, rand_key)) {
|
|
l.reset();
|
|
rand_key = thread->rand.Next() % max_key;
|
|
rand_column_family = thread->rand.Next() % FLAGS_column_families;
|
|
l.reset(new MutexLock(
|
|
shared->GetMutexForKey(rand_column_family, rand_key)));
|
|
}
|
|
|
|
keystr = Key(rand_key);
|
|
key = keystr;
|
|
column_family = column_families_[rand_column_family];
|
|
|
|
// Use delete if the key may be overwritten and a single deletion
|
|
// otherwise.
|
|
if (shared->AllowsOverwrite(rand_column_family, rand_key)) {
|
|
shared->Delete(rand_column_family, rand_key, true /* pending */);
|
|
Status s;
|
|
if (!FLAGS_use_txn) {
|
|
s = db_->Delete(write_opts, column_family, key);
|
|
} else {
|
|
#ifndef ROCKSDB_LITE
|
|
Transaction* txn;
|
|
s = NewTxn(write_opts, &txn);
|
|
if (s.ok()) {
|
|
s = txn->Delete(column_family, key);
|
|
if (s.ok()) {
|
|
s = CommitTxn(txn);
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
shared->Delete(rand_column_family, rand_key, false /* pending */);
|
|
thread->stats.AddDeletes(1);
|
|
if (!s.ok()) {
|
|
fprintf(stderr, "delete error: %s\n", s.ToString().c_str());
|
|
std::terminate();
|
|
}
|
|
} else {
|
|
shared->SingleDelete(rand_column_family, rand_key,
|
|
true /* pending */);
|
|
Status s;
|
|
if (!FLAGS_use_txn) {
|
|
s = db_->SingleDelete(write_opts, column_family, key);
|
|
} else {
|
|
#ifndef ROCKSDB_LITE
|
|
Transaction* txn;
|
|
s = NewTxn(write_opts, &txn);
|
|
if (s.ok()) {
|
|
s = txn->SingleDelete(column_family, key);
|
|
if (s.ok()) {
|
|
s = CommitTxn(txn);
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
shared->SingleDelete(rand_column_family, rand_key,
|
|
false /* pending */);
|
|
thread->stats.AddSingleDeletes(1);
|
|
if (!s.ok()) {
|
|
fprintf(stderr, "single delete error: %s\n",
|
|
s.ToString().c_str());
|
|
std::terminate();
|
|
}
|
|
}
|
|
} else {
|
|
MultiDelete(thread, write_opts, column_family, key);
|
|
}
|
|
} else if (delBound <= prob_op && prob_op < delRangeBound) {
|
|
// OPERATION delete range
|
|
if (!FLAGS_test_batches_snapshots) {
|
|
std::vector<std::unique_ptr<MutexLock>> range_locks;
|
|
// delete range does not respect disallowed overwrites. the keys for
|
|
// which overwrites are disallowed are randomly distributed so it
|
|
// could be expensive to find a range where each key allows
|
|
// overwrites.
|
|
if (rand_key > max_key - FLAGS_range_deletion_width) {
|
|
l.reset();
|
|
rand_key = thread->rand.Next() %
|
|
(max_key - FLAGS_range_deletion_width + 1);
|
|
range_locks.emplace_back(new MutexLock(
|
|
shared->GetMutexForKey(rand_column_family, rand_key)));
|
|
} else {
|
|
range_locks.emplace_back(std::move(l));
|
|
}
|
|
for (int j = 1; j < FLAGS_range_deletion_width; ++j) {
|
|
if (((rand_key + j) & ((1 << FLAGS_log2_keys_per_lock) - 1)) == 0) {
|
|
range_locks.emplace_back(new MutexLock(
|
|
shared->GetMutexForKey(rand_column_family, rand_key + j)));
|
|
}
|
|
}
|
|
shared->DeleteRange(rand_column_family, rand_key,
|
|
rand_key + FLAGS_range_deletion_width,
|
|
true /* pending */);
|
|
|
|
keystr = Key(rand_key);
|
|
key = keystr;
|
|
column_family = column_families_[rand_column_family];
|
|
std::string end_keystr = Key(rand_key + FLAGS_range_deletion_width);
|
|
Slice end_key = end_keystr;
|
|
Status s = db_->DeleteRange(write_opts, column_family, key, end_key);
|
|
if (!s.ok()) {
|
|
fprintf(stderr, "delete range error: %s\n",
|
|
s.ToString().c_str());
|
|
std::terminate();
|
|
}
|
|
int covered = shared->DeleteRange(
|
|
rand_column_family, rand_key,
|
|
rand_key + FLAGS_range_deletion_width, false /* pending */);
|
|
thread->stats.AddRangeDeletions(1);
|
|
thread->stats.AddCoveredByRangeDeletions(covered);
|
|
}
|
|
} else {
|
|
// OPERATION iterate
|
|
MultiIterate(thread, read_opts, column_family, key);
|
|
}
|
|
thread->stats.FinishedSingleOp();
|
|
}
|
|
|
|
thread->stats.Stop();
|
|
}
|
|
|
|
void VerifyDb(ThreadState* thread) const {
|
|
ReadOptions options(FLAGS_verify_checksum, true);
|
|
auto shared = thread->shared;
|
|
const int64_t max_key = shared->GetMaxKey();
|
|
const int64_t keys_per_thread = max_key / shared->GetNumThreads();
|
|
int64_t start = keys_per_thread * thread->tid;
|
|
int64_t end = start + keys_per_thread;
|
|
if (thread->tid == shared->GetNumThreads() - 1) {
|
|
end = max_key;
|
|
}
|
|
for (size_t cf = 0; cf < column_families_.size(); ++cf) {
|
|
if (thread->shared->HasVerificationFailedYet()) {
|
|
break;
|
|
}
|
|
if (!thread->rand.OneIn(2)) {
|
|
// Use iterator to verify this range
|
|
unique_ptr<Iterator> iter(
|
|
db_->NewIterator(options, column_families_[cf]));
|
|
iter->Seek(Key(start));
|
|
for (auto i = start; i < end; i++) {
|
|
if (thread->shared->HasVerificationFailedYet()) {
|
|
break;
|
|
}
|
|
// TODO(ljin): update "long" to uint64_t
|
|
// Reseek when the prefix changes
|
|
if (i % (static_cast<int64_t>(1) << 8 * (8 - FLAGS_prefix_size)) ==
|
|
0) {
|
|
iter->Seek(Key(i));
|
|
}
|
|
std::string from_db;
|
|
std::string keystr = Key(i);
|
|
Slice k = keystr;
|
|
Status s = iter->status();
|
|
if (iter->Valid()) {
|
|
if (iter->key().compare(k) > 0) {
|
|
s = Status::NotFound(Slice());
|
|
} else if (iter->key().compare(k) == 0) {
|
|
from_db = iter->value().ToString();
|
|
iter->Next();
|
|
} else if (iter->key().compare(k) < 0) {
|
|
VerificationAbort(shared, "An out of range key was found",
|
|
static_cast<int>(cf), i);
|
|
}
|
|
} else {
|
|
// The iterator found no value for the key in question, so do not
|
|
// move to the next item in the iterator
|
|
s = Status::NotFound(Slice());
|
|
}
|
|
VerifyValue(static_cast<int>(cf), i, options, shared, from_db, s,
|
|
true);
|
|
if (from_db.length()) {
|
|
PrintKeyValue(static_cast<int>(cf), static_cast<uint32_t>(i),
|
|
from_db.data(), from_db.length());
|
|
}
|
|
}
|
|
} else {
|
|
// Use Get to verify this range
|
|
for (auto i = start; i < end; i++) {
|
|
if (thread->shared->HasVerificationFailedYet()) {
|
|
break;
|
|
}
|
|
std::string from_db;
|
|
std::string keystr = Key(i);
|
|
Slice k = keystr;
|
|
Status s = db_->Get(options, column_families_[cf], k, &from_db);
|
|
VerifyValue(static_cast<int>(cf), i, options, shared, from_db, s,
|
|
true);
|
|
if (from_db.length()) {
|
|
PrintKeyValue(static_cast<int>(cf), static_cast<uint32_t>(i),
|
|
from_db.data(), from_db.length());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void VerificationAbort(SharedState* shared, std::string msg, Status s) const {
|
|
printf("Verification failed: %s. Status is %s\n", msg.c_str(),
|
|
s.ToString().c_str());
|
|
shared->SetVerificationFailure();
|
|
}
|
|
|
|
void VerificationAbort(SharedState* shared, std::string msg, int cf,
|
|
int64_t key) const {
|
|
printf("Verification failed for column family %d key %" PRIi64 ": %s\n", cf, key,
|
|
msg.c_str());
|
|
shared->SetVerificationFailure();
|
|
}
|
|
|
|
bool VerifyValue(int cf, int64_t key, const ReadOptions& /*opts*/,
|
|
SharedState* shared, const std::string& value_from_db,
|
|
Status s, bool strict = false) const {
|
|
if (shared->HasVerificationFailedYet()) {
|
|
return false;
|
|
}
|
|
// compare value_from_db with the value in the shared state
|
|
char value[kValueMaxLen];
|
|
uint32_t value_base = shared->Get(cf, key);
|
|
if (value_base == SharedState::UNKNOWN_SENTINEL) {
|
|
return true;
|
|
}
|
|
if (value_base == SharedState::DELETION_SENTINEL && !strict) {
|
|
return true;
|
|
}
|
|
|
|
if (s.ok()) {
|
|
if (value_base == SharedState::DELETION_SENTINEL) {
|
|
VerificationAbort(shared, "Unexpected value found", cf, key);
|
|
return false;
|
|
}
|
|
size_t sz = GenerateValue(value_base, value, sizeof(value));
|
|
if (value_from_db.length() != sz) {
|
|
VerificationAbort(shared, "Length of value read is not equal", cf, key);
|
|
return false;
|
|
}
|
|
if (memcmp(value_from_db.data(), value, sz) != 0) {
|
|
VerificationAbort(shared, "Contents of value read don't match", cf,
|
|
key);
|
|
return false;
|
|
}
|
|
} else {
|
|
if (value_base != SharedState::DELETION_SENTINEL) {
|
|
VerificationAbort(shared, "Value not found: " + s.ToString(), cf, key);
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
static void PrintKeyValue(int cf, int64_t key, const char* value,
|
|
size_t sz) {
|
|
if (!FLAGS_verbose) {
|
|
return;
|
|
}
|
|
fprintf(stdout, "[CF %d] %" PRIi64 " == > (%" ROCKSDB_PRIszt ") ", cf, key, sz);
|
|
for (size_t i = 0; i < sz; i++) {
|
|
fprintf(stdout, "%X", value[i]);
|
|
}
|
|
fprintf(stdout, "\n");
|
|
}
|
|
|
|
static size_t GenerateValue(uint32_t rand, char *v, size_t max_sz) {
|
|
size_t value_sz =
|
|
((rand % kRandomValueMaxFactor) + 1) * FLAGS_value_size_mult;
|
|
assert(value_sz <= max_sz && value_sz >= sizeof(uint32_t));
|
|
(void) max_sz;
|
|
*((uint32_t*)v) = rand;
|
|
for (size_t i=sizeof(uint32_t); i < value_sz; i++) {
|
|
v[i] = (char)(rand ^ i);
|
|
}
|
|
v[value_sz] = '\0';
|
|
return value_sz; // the size of the value set.
|
|
}
|
|
|
|
void PrintEnv() const {
|
|
fprintf(stdout, "RocksDB version : %d.%d\n", kMajorVersion,
|
|
kMinorVersion);
|
|
fprintf(stdout, "TransactionDB : %s\n",
|
|
FLAGS_use_txn ? "true" : "false");
|
|
fprintf(stdout, "Column families : %d\n", FLAGS_column_families);
|
|
if (!FLAGS_test_batches_snapshots) {
|
|
fprintf(stdout, "Clear CFs one in : %d\n",
|
|
FLAGS_clear_column_family_one_in);
|
|
}
|
|
fprintf(stdout, "Number of threads : %d\n", FLAGS_threads);
|
|
fprintf(stdout, "Ops per thread : %lu\n",
|
|
(unsigned long)FLAGS_ops_per_thread);
|
|
std::string ttl_state("unused");
|
|
if (FLAGS_ttl > 0) {
|
|
ttl_state = NumberToString(FLAGS_ttl);
|
|
}
|
|
fprintf(stdout, "Time to live(sec) : %s\n", ttl_state.c_str());
|
|
fprintf(stdout, "Read percentage : %d%%\n", FLAGS_readpercent);
|
|
fprintf(stdout, "Prefix percentage : %d%%\n", FLAGS_prefixpercent);
|
|
fprintf(stdout, "Write percentage : %d%%\n", FLAGS_writepercent);
|
|
fprintf(stdout, "Delete percentage : %d%%\n", FLAGS_delpercent);
|
|
fprintf(stdout, "Delete range percentage : %d%%\n", FLAGS_delrangepercent);
|
|
fprintf(stdout, "No overwrite percentage : %d%%\n",
|
|
FLAGS_nooverwritepercent);
|
|
fprintf(stdout, "Iterate percentage : %d%%\n", FLAGS_iterpercent);
|
|
fprintf(stdout, "DB-write-buffer-size : %" PRIu64 "\n",
|
|
FLAGS_db_write_buffer_size);
|
|
fprintf(stdout, "Write-buffer-size : %d\n",
|
|
FLAGS_write_buffer_size);
|
|
fprintf(stdout, "Iterations : %lu\n",
|
|
(unsigned long)FLAGS_num_iterations);
|
|
fprintf(stdout, "Max key : %lu\n",
|
|
(unsigned long)FLAGS_max_key);
|
|
fprintf(stdout, "Ratio #ops/#keys : %f\n",
|
|
(1.0 * FLAGS_ops_per_thread * FLAGS_threads) / FLAGS_max_key);
|
|
fprintf(stdout, "Num times DB reopens : %d\n", FLAGS_reopen);
|
|
fprintf(stdout, "Batches/snapshots : %d\n",
|
|
FLAGS_test_batches_snapshots);
|
|
fprintf(stdout, "Do update in place : %d\n", FLAGS_in_place_update);
|
|
fprintf(stdout, "Num keys per lock : %d\n",
|
|
1 << FLAGS_log2_keys_per_lock);
|
|
std::string compression = CompressionTypeToString(FLAGS_compression_type_e);
|
|
fprintf(stdout, "Compression : %s\n", compression.c_str());
|
|
std::string checksum = ChecksumTypeToString(FLAGS_checksum_type_e);
|
|
fprintf(stdout, "Checksum type : %s\n", checksum.c_str());
|
|
fprintf(stdout, "Max subcompactions : %" PRIu64 "\n",
|
|
FLAGS_subcompactions);
|
|
|
|
const char* memtablerep = "";
|
|
switch (FLAGS_rep_factory) {
|
|
case kSkipList:
|
|
memtablerep = "skip_list";
|
|
break;
|
|
case kHashSkipList:
|
|
memtablerep = "prefix_hash";
|
|
break;
|
|
case kVectorRep:
|
|
memtablerep = "vector";
|
|
break;
|
|
}
|
|
|
|
fprintf(stdout, "Memtablerep : %s\n", memtablerep);
|
|
|
|
fprintf(stdout, "Test kill odd : %d\n", rocksdb_kill_odds);
|
|
if (!rocksdb_kill_prefix_blacklist.empty()) {
|
|
fprintf(stdout, "Skipping kill points prefixes:\n");
|
|
for (auto& p : rocksdb_kill_prefix_blacklist) {
|
|
fprintf(stdout, " %s\n", p.c_str());
|
|
}
|
|
}
|
|
|
|
fprintf(stdout, "------------------------------------------------\n");
|
|
}
|
|
|
|
void Open() {
|
|
assert(db_ == nullptr);
|
|
#ifndef ROCKSDB_LITE
|
|
assert(txn_db_ == nullptr);
|
|
#endif
|
|
if (FLAGS_options_file.empty()) {
|
|
BlockBasedTableOptions block_based_options;
|
|
block_based_options.block_cache = cache_;
|
|
block_based_options.block_cache_compressed = compressed_cache_;
|
|
block_based_options.checksum = FLAGS_checksum_type_e;
|
|
block_based_options.block_size = FLAGS_block_size;
|
|
block_based_options.format_version = 2;
|
|
block_based_options.filter_policy = filter_policy_;
|
|
options_.table_factory.reset(
|
|
NewBlockBasedTableFactory(block_based_options));
|
|
options_.db_write_buffer_size = FLAGS_db_write_buffer_size;
|
|
options_.write_buffer_size = FLAGS_write_buffer_size;
|
|
options_.max_write_buffer_number = FLAGS_max_write_buffer_number;
|
|
options_.min_write_buffer_number_to_merge =
|
|
FLAGS_min_write_buffer_number_to_merge;
|
|
options_.max_write_buffer_number_to_maintain =
|
|
FLAGS_max_write_buffer_number_to_maintain;
|
|
options_.memtable_prefix_bloom_size_ratio =
|
|
FLAGS_memtable_prefix_bloom_size_ratio;
|
|
options_.max_background_compactions = FLAGS_max_background_compactions;
|
|
options_.max_background_flushes = FLAGS_max_background_flushes;
|
|
options_.compaction_style =
|
|
static_cast<rocksdb::CompactionStyle>(FLAGS_compaction_style);
|
|
options_.prefix_extractor.reset(
|
|
NewFixedPrefixTransform(FLAGS_prefix_size));
|
|
options_.max_open_files = FLAGS_open_files;
|
|
options_.statistics = dbstats;
|
|
options_.env = FLAGS_env;
|
|
options_.use_fsync = FLAGS_use_fsync;
|
|
options_.compaction_readahead_size = FLAGS_compaction_readahead_size;
|
|
options_.allow_mmap_reads = FLAGS_mmap_read;
|
|
options_.allow_mmap_writes = FLAGS_mmap_write;
|
|
options_.use_direct_reads = FLAGS_use_direct_reads;
|
|
options_.use_direct_io_for_flush_and_compaction =
|
|
FLAGS_use_direct_io_for_flush_and_compaction;
|
|
options_.target_file_size_base = FLAGS_target_file_size_base;
|
|
options_.target_file_size_multiplier = FLAGS_target_file_size_multiplier;
|
|
options_.max_bytes_for_level_base = FLAGS_max_bytes_for_level_base;
|
|
options_.max_bytes_for_level_multiplier =
|
|
FLAGS_max_bytes_for_level_multiplier;
|
|
options_.level0_stop_writes_trigger = FLAGS_level0_stop_writes_trigger;
|
|
options_.level0_slowdown_writes_trigger =
|
|
FLAGS_level0_slowdown_writes_trigger;
|
|
options_.level0_file_num_compaction_trigger =
|
|
FLAGS_level0_file_num_compaction_trigger;
|
|
options_.compression = FLAGS_compression_type_e;
|
|
options_.create_if_missing = true;
|
|
options_.max_manifest_file_size = FLAGS_max_manifest_file_size;
|
|
options_.inplace_update_support = FLAGS_in_place_update;
|
|
options_.max_subcompactions = static_cast<uint32_t>(FLAGS_subcompactions);
|
|
options_.allow_concurrent_memtable_write =
|
|
FLAGS_allow_concurrent_memtable_write;
|
|
options_.enable_write_thread_adaptive_yield =
|
|
FLAGS_enable_write_thread_adaptive_yield;
|
|
options_.compaction_options_universal.size_ratio =
|
|
FLAGS_universal_size_ratio;
|
|
options_.compaction_options_universal.min_merge_width =
|
|
FLAGS_universal_min_merge_width;
|
|
options_.compaction_options_universal.max_merge_width =
|
|
FLAGS_universal_max_merge_width;
|
|
options_.compaction_options_universal.max_size_amplification_percent =
|
|
FLAGS_universal_max_size_amplification_percent;
|
|
} else {
|
|
#ifdef ROCKSDB_LITE
|
|
fprintf(stderr, "--options_file not supported in lite mode\n");
|
|
exit(1);
|
|
#else
|
|
DBOptions db_options;
|
|
std::vector<ColumnFamilyDescriptor> cf_descriptors;
|
|
Status s = LoadOptionsFromFile(FLAGS_options_file, Env::Default(),
|
|
&db_options, &cf_descriptors);
|
|
if (!s.ok()) {
|
|
fprintf(stderr, "Unable to load options file %s --- %s\n",
|
|
FLAGS_options_file.c_str(), s.ToString().c_str());
|
|
exit(1);
|
|
}
|
|
options_ = Options(db_options, cf_descriptors[0].options);
|
|
#endif // ROCKSDB_LITE
|
|
}
|
|
|
|
if (FLAGS_rate_limiter_bytes_per_sec > 0) {
|
|
options_.rate_limiter.reset(NewGenericRateLimiter(
|
|
FLAGS_rate_limiter_bytes_per_sec, 1000 /* refill_period_us */,
|
|
10 /* fairness */,
|
|
FLAGS_rate_limit_bg_reads ? RateLimiter::Mode::kReadsOnly
|
|
: RateLimiter::Mode::kWritesOnly));
|
|
if (FLAGS_rate_limit_bg_reads) {
|
|
options_.new_table_reader_for_compaction_inputs = true;
|
|
}
|
|
}
|
|
|
|
if (FLAGS_prefix_size == 0 && FLAGS_rep_factory == kHashSkipList) {
|
|
fprintf(stderr,
|
|
"prefeix_size cannot be zero if memtablerep == prefix_hash\n");
|
|
exit(1);
|
|
}
|
|
if (FLAGS_prefix_size != 0 && FLAGS_rep_factory != kHashSkipList) {
|
|
fprintf(stderr,
|
|
"WARNING: prefix_size is non-zero but "
|
|
"memtablerep != prefix_hash\n");
|
|
}
|
|
switch (FLAGS_rep_factory) {
|
|
case kSkipList:
|
|
// no need to do anything
|
|
break;
|
|
#ifndef ROCKSDB_LITE
|
|
case kHashSkipList:
|
|
options_.memtable_factory.reset(NewHashSkipListRepFactory(10000));
|
|
break;
|
|
case kVectorRep:
|
|
options_.memtable_factory.reset(new VectorRepFactory());
|
|
break;
|
|
#else
|
|
default:
|
|
fprintf(stderr,
|
|
"RocksdbLite only supports skip list mem table. Skip "
|
|
"--rep_factory\n");
|
|
#endif // ROCKSDB_LITE
|
|
}
|
|
|
|
if (FLAGS_use_full_merge_v1) {
|
|
options_.merge_operator = MergeOperators::CreateDeprecatedPutOperator();
|
|
} else {
|
|
options_.merge_operator = MergeOperators::CreatePutOperator();
|
|
}
|
|
|
|
fprintf(stdout, "DB path: [%s]\n", FLAGS_db.c_str());
|
|
|
|
Status s;
|
|
if (FLAGS_ttl == -1) {
|
|
std::vector<std::string> existing_column_families;
|
|
s = DB::ListColumnFamilies(DBOptions(options_), FLAGS_db,
|
|
&existing_column_families); // ignore errors
|
|
if (!s.ok()) {
|
|
// DB doesn't exist
|
|
assert(existing_column_families.empty());
|
|
assert(column_family_names_.empty());
|
|
column_family_names_.push_back(kDefaultColumnFamilyName);
|
|
} else if (column_family_names_.empty()) {
|
|
// this is the first call to the function Open()
|
|
column_family_names_ = existing_column_families;
|
|
} else {
|
|
// this is a reopen. just assert that existing column_family_names are
|
|
// equivalent to what we remember
|
|
auto sorted_cfn = column_family_names_;
|
|
std::sort(sorted_cfn.begin(), sorted_cfn.end());
|
|
std::sort(existing_column_families.begin(),
|
|
existing_column_families.end());
|
|
if (sorted_cfn != existing_column_families) {
|
|
fprintf(stderr,
|
|
"Expected column families differ from the existing:\n");
|
|
printf("Expected: {");
|
|
for (auto cf : sorted_cfn) {
|
|
printf("%s ", cf.c_str());
|
|
}
|
|
printf("}\n");
|
|
printf("Existing: {");
|
|
for (auto cf : existing_column_families) {
|
|
printf("%s ", cf.c_str());
|
|
}
|
|
printf("}\n");
|
|
}
|
|
assert(sorted_cfn == existing_column_families);
|
|
}
|
|
std::vector<ColumnFamilyDescriptor> cf_descriptors;
|
|
for (auto name : column_family_names_) {
|
|
if (name != kDefaultColumnFamilyName) {
|
|
new_column_family_name_ =
|
|
std::max(new_column_family_name_.load(), std::stoi(name) + 1);
|
|
}
|
|
cf_descriptors.emplace_back(name, ColumnFamilyOptions(options_));
|
|
}
|
|
while (cf_descriptors.size() < (size_t)FLAGS_column_families) {
|
|
std::string name = ToString(new_column_family_name_.load());
|
|
new_column_family_name_++;
|
|
cf_descriptors.emplace_back(name, ColumnFamilyOptions(options_));
|
|
column_family_names_.push_back(name);
|
|
}
|
|
options_.listeners.clear();
|
|
options_.listeners.emplace_back(
|
|
new DbStressListener(FLAGS_db, options_.db_paths, cf_descriptors));
|
|
options_.create_missing_column_families = true;
|
|
if (!FLAGS_use_txn) {
|
|
s = DB::Open(DBOptions(options_), FLAGS_db, cf_descriptors,
|
|
&column_families_, &db_);
|
|
} else {
|
|
#ifndef ROCKSDB_LITE
|
|
TransactionDBOptions txn_db_options;
|
|
// For the moment it is sufficient to test WRITE_PREPARED policy
|
|
txn_db_options.write_policy = TxnDBWritePolicy::WRITE_PREPARED;
|
|
s = TransactionDB::Open(options_, txn_db_options, FLAGS_db,
|
|
cf_descriptors, &column_families_, &txn_db_);
|
|
db_ = txn_db_;
|
|
// after a crash, rollback to commit recovered transactions
|
|
std::vector<Transaction*> trans;
|
|
txn_db_->GetAllPreparedTransactions(&trans);
|
|
Random rand(static_cast<uint32_t>(FLAGS_seed));
|
|
for (auto txn : trans) {
|
|
if (rand.OneIn(2)) {
|
|
s = txn->Commit();
|
|
assert(s.ok());
|
|
} else {
|
|
s = txn->Rollback();
|
|
assert(s.ok());
|
|
}
|
|
delete txn;
|
|
}
|
|
trans.clear();
|
|
txn_db_->GetAllPreparedTransactions(&trans);
|
|
assert(trans.size() == 0);
|
|
#endif
|
|
}
|
|
assert(!s.ok() || column_families_.size() ==
|
|
static_cast<size_t>(FLAGS_column_families));
|
|
} else {
|
|
#ifndef ROCKSDB_LITE
|
|
DBWithTTL* db_with_ttl;
|
|
s = DBWithTTL::Open(options_, FLAGS_db, &db_with_ttl, FLAGS_ttl);
|
|
db_ = db_with_ttl;
|
|
#else
|
|
fprintf(stderr, "TTL is not supported in RocksDBLite\n");
|
|
exit(1);
|
|
#endif
|
|
}
|
|
if (!s.ok()) {
|
|
fprintf(stderr, "open error: %s\n", s.ToString().c_str());
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
void Reopen() {
|
|
for (auto cf : column_families_) {
|
|
delete cf;
|
|
}
|
|
column_families_.clear();
|
|
delete db_;
|
|
db_ = nullptr;
|
|
#ifndef ROCKSDB_LITE
|
|
txn_db_ = nullptr;
|
|
#endif
|
|
|
|
num_times_reopened_++;
|
|
auto now = FLAGS_env->NowMicros();
|
|
fprintf(stdout, "%s Reopening database for the %dth time\n",
|
|
FLAGS_env->TimeToString(now/1000000).c_str(),
|
|
num_times_reopened_);
|
|
Open();
|
|
}
|
|
|
|
void PrintStatistics() {
|
|
if (dbstats) {
|
|
fprintf(stdout, "STATISTICS:\n%s\n", dbstats->ToString().c_str());
|
|
}
|
|
}
|
|
|
|
private:
|
|
std::shared_ptr<Cache> cache_;
|
|
std::shared_ptr<Cache> compressed_cache_;
|
|
std::shared_ptr<const FilterPolicy> filter_policy_;
|
|
DB* db_;
|
|
#ifndef ROCKSDB_LITE
|
|
TransactionDB* txn_db_;
|
|
#endif
|
|
Options options_;
|
|
std::vector<ColumnFamilyHandle*> column_families_;
|
|
std::vector<std::string> column_family_names_;
|
|
std::atomic<int> new_column_family_name_;
|
|
int num_times_reopened_;
|
|
std::unordered_map<std::string, std::vector<std::string>> options_table_;
|
|
std::vector<std::string> options_index_;
|
|
};
|
|
|
|
} // namespace rocksdb
|
|
|
|
int main(int argc, char** argv) {
|
|
SetUsageMessage(std::string("\nUSAGE:\n") + std::string(argv[0]) +
|
|
" [OPTIONS]...");
|
|
ParseCommandLineFlags(&argc, &argv, true);
|
|
|
|
if (FLAGS_statistics) {
|
|
dbstats = rocksdb::CreateDBStatistics();
|
|
}
|
|
FLAGS_compression_type_e =
|
|
StringToCompressionType(FLAGS_compression_type.c_str());
|
|
FLAGS_checksum_type_e = StringToChecksumType(FLAGS_checksum_type.c_str());
|
|
if (!FLAGS_hdfs.empty()) {
|
|
FLAGS_env = new rocksdb::HdfsEnv(FLAGS_hdfs);
|
|
}
|
|
FLAGS_rep_factory = StringToRepFactory(FLAGS_memtablerep.c_str());
|
|
|
|
// The number of background threads should be at least as much the
|
|
// max number of concurrent compactions.
|
|
FLAGS_env->SetBackgroundThreads(FLAGS_max_background_compactions);
|
|
FLAGS_env->SetBackgroundThreads(FLAGS_num_bottom_pri_threads,
|
|
rocksdb::Env::Priority::BOTTOM);
|
|
if (FLAGS_prefixpercent > 0 && FLAGS_prefix_size <= 0) {
|
|
fprintf(stderr,
|
|
"Error: prefixpercent is non-zero while prefix_size is "
|
|
"not positive!\n");
|
|
exit(1);
|
|
}
|
|
if (FLAGS_test_batches_snapshots && FLAGS_prefix_size <= 0) {
|
|
fprintf(stderr,
|
|
"Error: please specify prefix_size for "
|
|
"test_batches_snapshots test!\n");
|
|
exit(1);
|
|
}
|
|
if (FLAGS_memtable_prefix_bloom_size_ratio > 0.0 && FLAGS_prefix_size <= 0) {
|
|
fprintf(stderr,
|
|
"Error: please specify positive prefix_size in order to use "
|
|
"memtable_prefix_bloom_size_ratio\n");
|
|
exit(1);
|
|
}
|
|
if ((FLAGS_readpercent + FLAGS_prefixpercent +
|
|
FLAGS_writepercent + FLAGS_delpercent + FLAGS_delrangepercent +
|
|
FLAGS_iterpercent) != 100) {
|
|
fprintf(stderr,
|
|
"Error: Read+Prefix+Write+Delete+DeleteRange+Iterate percents != "
|
|
"100!\n");
|
|
exit(1);
|
|
}
|
|
if (FLAGS_disable_wal == 1 && FLAGS_reopen > 0) {
|
|
fprintf(stderr, "Error: Db cannot reopen safely with disable_wal set!\n");
|
|
exit(1);
|
|
}
|
|
if ((unsigned)FLAGS_reopen >= FLAGS_ops_per_thread) {
|
|
fprintf(stderr,
|
|
"Error: #DB-reopens should be < ops_per_thread\n"
|
|
"Provided reopens = %d and ops_per_thread = %lu\n",
|
|
FLAGS_reopen,
|
|
(unsigned long)FLAGS_ops_per_thread);
|
|
exit(1);
|
|
}
|
|
if (FLAGS_test_batches_snapshots && FLAGS_delrangepercent > 0) {
|
|
fprintf(stderr, "Error: nonzero delrangepercent unsupported in "
|
|
"test_batches_snapshots mode\n");
|
|
exit(1);
|
|
}
|
|
if (FLAGS_active_width > FLAGS_max_key) {
|
|
fprintf(stderr, "Error: active_width can be at most max_key\n");
|
|
exit(1);
|
|
} else if (FLAGS_active_width == 0) {
|
|
FLAGS_active_width = FLAGS_max_key;
|
|
}
|
|
if (FLAGS_value_size_mult * kRandomValueMaxFactor > kValueMaxLen) {
|
|
fprintf(stderr, "Error: value_size_mult can be at most %d\n",
|
|
kValueMaxLen / kRandomValueMaxFactor);
|
|
exit(1);
|
|
}
|
|
if (FLAGS_use_merge && FLAGS_nooverwritepercent == 100) {
|
|
fprintf(
|
|
stderr,
|
|
"Error: nooverwritepercent must not be 100 when using merge operands");
|
|
exit(1);
|
|
}
|
|
|
|
// Choose a location for the test database if none given with --db=<path>
|
|
if (FLAGS_db.empty()) {
|
|
std::string default_db_path;
|
|
rocksdb::Env::Default()->GetTestDirectory(&default_db_path);
|
|
default_db_path += "/dbstress";
|
|
FLAGS_db = default_db_path;
|
|
}
|
|
|
|
rocksdb_kill_odds = FLAGS_kill_random_test;
|
|
rocksdb_kill_prefix_blacklist = SplitString(FLAGS_kill_prefix_blacklist);
|
|
|
|
rocksdb::StressTest stress;
|
|
if (stress.Run()) {
|
|
return 0;
|
|
} else {
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
#endif // GFLAGS
|