mirror of https://github.com/facebook/rocksdb.git
1052 lines
38 KiB
C++
1052 lines
38 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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#ifdef GFLAGS
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#include "db_stress_tool/db_stress_common.h"
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#include "rocksdb/utilities/transaction_db.h"
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#include "utilities/fault_injection_fs.h"
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namespace ROCKSDB_NAMESPACE {
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class NonBatchedOpsStressTest : public StressTest {
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public:
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NonBatchedOpsStressTest() {}
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virtual ~NonBatchedOpsStressTest() {}
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void VerifyDb(ThreadState* thread) const override {
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// This `ReadOptions` is for validation purposes. Ignore
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// `FLAGS_rate_limit_user_ops` to avoid slowing any validation.
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ReadOptions options(FLAGS_verify_checksum, true);
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std::string ts_str;
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Slice ts;
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if (FLAGS_user_timestamp_size > 0) {
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ts_str = GetNowNanos();
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ts = ts_str;
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options.timestamp = &ts;
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}
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auto shared = thread->shared;
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const int64_t max_key = shared->GetMaxKey();
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const int64_t keys_per_thread = max_key / shared->GetNumThreads();
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int64_t start = keys_per_thread * thread->tid;
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int64_t end = start + keys_per_thread;
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uint64_t prefix_to_use =
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(FLAGS_prefix_size < 0) ? 1 : static_cast<size_t>(FLAGS_prefix_size);
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if (thread->tid == shared->GetNumThreads() - 1) {
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end = max_key;
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}
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for (size_t cf = 0; cf < column_families_.size(); ++cf) {
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if (thread->shared->HasVerificationFailedYet()) {
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break;
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}
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if (thread->rand.OneIn(4)) {
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// 1/4 chance use iterator to verify this range
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Slice prefix;
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std::string seek_key = Key(start);
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std::unique_ptr<Iterator> iter(
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db_->NewIterator(options, column_families_[cf]));
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iter->Seek(seek_key);
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prefix = Slice(seek_key.data(), prefix_to_use);
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for (auto i = start; i < end; i++) {
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if (thread->shared->HasVerificationFailedYet()) {
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break;
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}
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std::string from_db;
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std::string keystr = Key(i);
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Slice k = keystr;
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Slice pfx = Slice(keystr.data(), prefix_to_use);
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// Reseek when the prefix changes
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if (prefix_to_use > 0 && prefix.compare(pfx) != 0) {
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iter->Seek(k);
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seek_key = keystr;
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prefix = Slice(seek_key.data(), prefix_to_use);
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}
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Status s = iter->status();
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if (iter->Valid()) {
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Slice iter_key = iter->key();
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if (iter->key().compare(k) > 0) {
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s = Status::NotFound(Slice());
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} else if (iter->key().compare(k) == 0) {
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from_db = iter->value().ToString();
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iter->Next();
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} else if (iter_key.compare(k) < 0) {
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VerificationAbort(shared, "An out of range key was found",
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static_cast<int>(cf), i);
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}
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} else {
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// The iterator found no value for the key in question, so do not
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// move to the next item in the iterator
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s = Status::NotFound();
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}
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VerifyOrSyncValue(static_cast<int>(cf), i, options, shared, from_db,
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s, true);
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if (from_db.length()) {
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PrintKeyValue(static_cast<int>(cf), static_cast<uint32_t>(i),
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from_db.data(), from_db.length());
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}
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}
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} else if (thread->rand.OneIn(3)) {
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// 1/4 chance use Get to verify this range
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for (auto i = start; i < end; i++) {
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if (thread->shared->HasVerificationFailedYet()) {
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break;
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}
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std::string from_db;
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std::string keystr = Key(i);
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Slice k = keystr;
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Status s = db_->Get(options, column_families_[cf], k, &from_db);
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VerifyOrSyncValue(static_cast<int>(cf), i, options, shared, from_db,
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s, true);
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if (from_db.length()) {
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PrintKeyValue(static_cast<int>(cf), static_cast<uint32_t>(i),
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from_db.data(), from_db.length());
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}
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}
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} else if (thread->rand.OneIn(2)) {
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// 1/4 chance use MultiGet to verify this range
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for (auto i = start; i < end;) {
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if (thread->shared->HasVerificationFailedYet()) {
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break;
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}
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// Keep the batch size to some reasonable value
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size_t batch_size = thread->rand.Uniform(128) + 1;
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batch_size = std::min<size_t>(batch_size, end - i);
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std::vector<std::string> keystrs(batch_size);
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std::vector<Slice> keys(batch_size);
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std::vector<PinnableSlice> values(batch_size);
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std::vector<Status> statuses(batch_size);
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for (size_t j = 0; j < batch_size; ++j) {
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keystrs[j] = Key(i + j);
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keys[j] = Slice(keystrs[j].data(), keystrs[j].length());
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}
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db_->MultiGet(options, column_families_[cf], batch_size, keys.data(),
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values.data(), statuses.data());
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for (size_t j = 0; j < batch_size; ++j) {
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Status s = statuses[j];
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std::string from_db = values[j].ToString();
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VerifyOrSyncValue(static_cast<int>(cf), i + j, options, shared,
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from_db, s, true);
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if (from_db.length()) {
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PrintKeyValue(static_cast<int>(cf), static_cast<uint32_t>(i + j),
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from_db.data(), from_db.length());
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}
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}
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i += batch_size;
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}
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} else {
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// 1/4 chance use GetMergeOperand to verify this range
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// Start off with small size that will be increased later if necessary
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std::vector<PinnableSlice> values(4);
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GetMergeOperandsOptions merge_operands_info;
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merge_operands_info.expected_max_number_of_operands =
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static_cast<int>(values.size());
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for (auto i = start; i < end; i++) {
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if (thread->shared->HasVerificationFailedYet()) {
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break;
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}
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std::string from_db;
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std::string keystr = Key(i);
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Slice k = keystr;
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int number_of_operands = 0;
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Status s = db_->GetMergeOperands(options, column_families_[cf], k,
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values.data(), &merge_operands_info,
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&number_of_operands);
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if (s.IsIncomplete()) {
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// Need to resize values as there are more than values.size() merge
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// operands on this key. Should only happen a few times when we
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// encounter a key that had more merge operands than any key seen so
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// far
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values.resize(number_of_operands);
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merge_operands_info.expected_max_number_of_operands =
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static_cast<int>(number_of_operands);
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s = db_->GetMergeOperands(options, column_families_[cf], k,
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values.data(), &merge_operands_info,
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&number_of_operands);
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}
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// Assumed here that GetMergeOperands always sets number_of_operand
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if (number_of_operands) {
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from_db = values[number_of_operands - 1].ToString();
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}
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VerifyOrSyncValue(static_cast<int>(cf), i, options, shared, from_db,
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s, true);
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if (from_db.length()) {
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PrintKeyValue(static_cast<int>(cf), static_cast<uint32_t>(i),
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from_db.data(), from_db.length());
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}
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}
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}
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}
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}
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#ifndef ROCKSDB_LITE
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void ContinuouslyVerifyDb(ThreadState* thread) const override {
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if (!cmp_db_) {
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return;
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}
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assert(cmp_db_);
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assert(!cmp_cfhs_.empty());
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Status s = cmp_db_->TryCatchUpWithPrimary();
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if (!s.ok()) {
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assert(false);
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exit(1);
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}
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const auto checksum_column_family = [](Iterator* iter,
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uint32_t* checksum) -> Status {
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assert(nullptr != checksum);
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uint32_t ret = 0;
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for (iter->SeekToFirst(); iter->Valid(); iter->Next()) {
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ret = crc32c::Extend(ret, iter->key().data(), iter->key().size());
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ret = crc32c::Extend(ret, iter->value().data(), iter->value().size());
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}
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*checksum = ret;
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return iter->status();
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};
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auto* shared = thread->shared;
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assert(shared);
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const int64_t max_key = shared->GetMaxKey();
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ReadOptions read_opts(FLAGS_verify_checksum, true);
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std::string ts_str;
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Slice ts;
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if (FLAGS_user_timestamp_size > 0) {
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ts_str = GetNowNanos();
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ts = ts_str;
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read_opts.timestamp = &ts;
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}
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static Random64 rand64(shared->GetSeed());
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{
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uint32_t crc = 0;
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std::unique_ptr<Iterator> it(cmp_db_->NewIterator(read_opts));
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s = checksum_column_family(it.get(), &crc);
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if (!s.ok()) {
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fprintf(stderr, "Computing checksum of default cf: %s\n",
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s.ToString().c_str());
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assert(false);
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}
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}
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for (auto* handle : cmp_cfhs_) {
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if (thread->rand.OneInOpt(3)) {
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// Use Get()
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uint64_t key = rand64.Uniform(static_cast<uint64_t>(max_key));
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std::string key_str = Key(key);
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std::string value;
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std::string key_ts;
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s = cmp_db_->Get(read_opts, handle, key_str, &value,
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FLAGS_user_timestamp_size > 0 ? &key_ts : nullptr);
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s.PermitUncheckedError();
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} else {
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// Use range scan
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std::unique_ptr<Iterator> iter(cmp_db_->NewIterator(read_opts, handle));
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uint32_t rnd = (thread->rand.Next()) % 4;
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if (0 == rnd) {
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// SeekToFirst() + Next()*5
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read_opts.total_order_seek = true;
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iter->SeekToFirst();
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for (int i = 0; i < 5 && iter->Valid(); ++i, iter->Next()) {
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}
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} else if (1 == rnd) {
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// SeekToLast() + Prev()*5
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read_opts.total_order_seek = true;
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iter->SeekToLast();
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for (int i = 0; i < 5 && iter->Valid(); ++i, iter->Prev()) {
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}
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} else if (2 == rnd) {
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// Seek() +Next()*5
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uint64_t key = rand64.Uniform(static_cast<uint64_t>(max_key));
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std::string key_str = Key(key);
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iter->Seek(key_str);
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for (int i = 0; i < 5 && iter->Valid(); ++i, iter->Next()) {
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}
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} else {
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// SeekForPrev() + Prev()*5
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uint64_t key = rand64.Uniform(static_cast<uint64_t>(max_key));
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std::string key_str = Key(key);
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iter->SeekForPrev(key_str);
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for (int i = 0; i < 5 && iter->Valid(); ++i, iter->Prev()) {
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}
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}
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}
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}
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}
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#else
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void ContinuouslyVerifyDb(ThreadState* /*thread*/) const override {}
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#endif // ROCKSDB_LITE
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void MaybeClearOneColumnFamily(ThreadState* thread) override {
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if (FLAGS_column_families > 1) {
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if (thread->rand.OneInOpt(FLAGS_clear_column_family_one_in)) {
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// drop column family and then create it again (can't drop default)
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int cf = thread->rand.Next() % (FLAGS_column_families - 1) + 1;
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std::string new_name =
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std::to_string(new_column_family_name_.fetch_add(1));
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{
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MutexLock l(thread->shared->GetMutex());
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fprintf(
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stdout,
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"[CF %d] Dropping and recreating column family. new name: %s\n",
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cf, new_name.c_str());
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}
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thread->shared->LockColumnFamily(cf);
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Status s = db_->DropColumnFamily(column_families_[cf]);
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delete column_families_[cf];
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if (!s.ok()) {
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fprintf(stderr, "dropping column family error: %s\n",
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s.ToString().c_str());
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std::terminate();
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}
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s = db_->CreateColumnFamily(ColumnFamilyOptions(options_), new_name,
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&column_families_[cf]);
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column_family_names_[cf] = new_name;
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thread->shared->ClearColumnFamily(cf);
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if (!s.ok()) {
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fprintf(stderr, "creating column family error: %s\n",
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s.ToString().c_str());
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std::terminate();
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}
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thread->shared->UnlockColumnFamily(cf);
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}
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}
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}
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bool ShouldAcquireMutexOnKey() const override { return true; }
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bool IsStateTracked() const override { return true; }
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Status TestGet(ThreadState* thread, const ReadOptions& read_opts,
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const std::vector<int>& rand_column_families,
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const std::vector<int64_t>& rand_keys) override {
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auto cfh = column_families_[rand_column_families[0]];
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std::string key_str = Key(rand_keys[0]);
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Slice key = key_str;
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std::string from_db;
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int error_count = 0;
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if (fault_fs_guard) {
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fault_fs_guard->EnableErrorInjection();
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SharedState::ignore_read_error = false;
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}
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ReadOptions read_opts_copy = read_opts;
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std::string read_ts_str;
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Slice read_ts_slice;
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MaybeUseOlderTimestampForPointLookup(thread, read_ts_str, read_ts_slice,
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read_opts_copy);
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Status s = db_->Get(read_opts_copy, cfh, key, &from_db);
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if (fault_fs_guard) {
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error_count = fault_fs_guard->GetAndResetErrorCount();
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}
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if (s.ok()) {
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if (fault_fs_guard) {
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if (error_count && !SharedState::ignore_read_error) {
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// Grab mutex so multiple thread don't try to print the
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// stack trace at the same time
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MutexLock l(thread->shared->GetMutex());
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fprintf(stderr, "Didn't get expected error from Get\n");
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fprintf(stderr, "Callstack that injected the fault\n");
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fault_fs_guard->PrintFaultBacktrace();
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std::terminate();
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}
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}
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// found case
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thread->stats.AddGets(1, 1);
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} else if (s.IsNotFound()) {
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// not found case
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thread->stats.AddGets(1, 0);
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} else {
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if (error_count == 0) {
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// errors case
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thread->stats.AddErrors(1);
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} else {
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thread->stats.AddVerifiedErrors(1);
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}
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}
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if (fault_fs_guard) {
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fault_fs_guard->DisableErrorInjection();
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}
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return s;
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}
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std::vector<Status> TestMultiGet(
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ThreadState* thread, const ReadOptions& read_opts,
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const std::vector<int>& rand_column_families,
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const std::vector<int64_t>& rand_keys) override {
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size_t num_keys = rand_keys.size();
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std::vector<std::string> key_str;
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std::vector<Slice> keys;
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key_str.reserve(num_keys);
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keys.reserve(num_keys);
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std::vector<PinnableSlice> values(num_keys);
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std::vector<Status> statuses(num_keys);
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ColumnFamilyHandle* cfh = column_families_[rand_column_families[0]];
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int error_count = 0;
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// Do a consistency check between Get and MultiGet. Don't do it too
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// often as it will slow db_stress down
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bool do_consistency_check = thread->rand.OneIn(4);
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ReadOptions readoptionscopy = read_opts;
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if (do_consistency_check) {
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readoptionscopy.snapshot = db_->GetSnapshot();
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}
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std::string read_ts_str;
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Slice read_ts_slice;
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MaybeUseOlderTimestampForPointLookup(thread, read_ts_str, read_ts_slice,
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readoptionscopy);
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readoptionscopy.rate_limiter_priority =
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FLAGS_rate_limit_user_ops ? Env::IO_USER : Env::IO_TOTAL;
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// To appease clang analyzer
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const bool use_txn = FLAGS_use_txn;
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// Create a transaction in order to write some data. The purpose is to
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// exercise WriteBatchWithIndex::MultiGetFromBatchAndDB. The transaction
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// will be rolled back once MultiGet returns.
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#ifndef ROCKSDB_LITE
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Transaction* txn = nullptr;
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if (use_txn) {
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WriteOptions wo;
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if (FLAGS_rate_limit_auto_wal_flush) {
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wo.rate_limiter_priority = Env::IO_USER;
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}
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Status s = NewTxn(wo, &txn);
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if (!s.ok()) {
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fprintf(stderr, "NewTxn: %s\n", s.ToString().c_str());
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std::terminate();
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}
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}
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#endif
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for (size_t i = 0; i < num_keys; ++i) {
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key_str.emplace_back(Key(rand_keys[i]));
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keys.emplace_back(key_str.back());
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#ifndef ROCKSDB_LITE
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if (use_txn) {
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// With a 1 in 10 probability, insert the just added key in the batch
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// into the transaction. This will create an overlap with the MultiGet
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// keys and exercise some corner cases in the code
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if (thread->rand.OneIn(10)) {
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int op = thread->rand.Uniform(2);
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Status s;
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switch (op) {
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case 0:
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case 1: {
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uint32_t value_base =
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thread->rand.Next() % thread->shared->UNKNOWN_SENTINEL;
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char value[100];
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size_t sz = GenerateValue(value_base, value, sizeof(value));
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Slice v(value, sz);
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if (op == 0) {
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s = txn->Put(cfh, keys.back(), v);
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} else {
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s = txn->Merge(cfh, keys.back(), v);
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}
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break;
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}
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case 2:
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s = txn->Delete(cfh, keys.back());
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break;
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default:
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assert(false);
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}
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if (!s.ok()) {
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fprintf(stderr, "Transaction put: %s\n", s.ToString().c_str());
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std::terminate();
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}
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}
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}
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#endif
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}
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|
|
if (!use_txn) {
|
|
if (fault_fs_guard) {
|
|
fault_fs_guard->EnableErrorInjection();
|
|
SharedState::ignore_read_error = false;
|
|
}
|
|
db_->MultiGet(readoptionscopy, cfh, num_keys, keys.data(), values.data(),
|
|
statuses.data());
|
|
if (fault_fs_guard) {
|
|
error_count = fault_fs_guard->GetAndResetErrorCount();
|
|
}
|
|
} else {
|
|
#ifndef ROCKSDB_LITE
|
|
txn->MultiGet(readoptionscopy, cfh, num_keys, keys.data(), values.data(),
|
|
statuses.data());
|
|
#endif
|
|
}
|
|
|
|
if (fault_fs_guard && error_count && !SharedState::ignore_read_error) {
|
|
int stat_nok = 0;
|
|
for (const auto& s : statuses) {
|
|
if (!s.ok() && !s.IsNotFound()) {
|
|
stat_nok++;
|
|
}
|
|
}
|
|
|
|
if (stat_nok < error_count) {
|
|
// Grab mutex so multiple thread don't try to print the
|
|
// stack trace at the same time
|
|
MutexLock l(thread->shared->GetMutex());
|
|
fprintf(stderr, "Didn't get expected error from MultiGet. \n");
|
|
fprintf(stderr, "num_keys %zu Expected %d errors, seen %d\n", num_keys,
|
|
error_count, stat_nok);
|
|
fprintf(stderr, "Callstack that injected the fault\n");
|
|
fault_fs_guard->PrintFaultBacktrace();
|
|
std::terminate();
|
|
}
|
|
}
|
|
if (fault_fs_guard) {
|
|
fault_fs_guard->DisableErrorInjection();
|
|
}
|
|
|
|
for (size_t i = 0; i < statuses.size(); ++i) {
|
|
Status s = statuses[i];
|
|
bool is_consistent = true;
|
|
// Only do the consistency check if no error was injected and MultiGet
|
|
// didn't return an unexpected error
|
|
if (do_consistency_check && !error_count && (s.ok() || s.IsNotFound())) {
|
|
Status tmp_s;
|
|
std::string value;
|
|
|
|
if (use_txn) {
|
|
#ifndef ROCKSDB_LITE
|
|
tmp_s = txn->Get(readoptionscopy, cfh, keys[i], &value);
|
|
#endif // ROCKSDB_LITE
|
|
} else {
|
|
tmp_s = db_->Get(readoptionscopy, cfh, keys[i], &value);
|
|
}
|
|
if (!tmp_s.ok() && !tmp_s.IsNotFound()) {
|
|
fprintf(stderr, "Get error: %s\n", s.ToString().c_str());
|
|
is_consistent = false;
|
|
} else if (!s.ok() && tmp_s.ok()) {
|
|
fprintf(stderr, "MultiGet returned different results with key %s\n",
|
|
keys[i].ToString(true).c_str());
|
|
fprintf(stderr, "Get returned ok, MultiGet returned not found\n");
|
|
is_consistent = false;
|
|
} else if (s.ok() && tmp_s.IsNotFound()) {
|
|
fprintf(stderr, "MultiGet returned different results with key %s\n",
|
|
keys[i].ToString(true).c_str());
|
|
fprintf(stderr, "MultiGet returned ok, Get returned not found\n");
|
|
is_consistent = false;
|
|
} else if (s.ok() && value != values[i].ToString()) {
|
|
fprintf(stderr, "MultiGet returned different results with key %s\n",
|
|
keys[i].ToString(true).c_str());
|
|
fprintf(stderr, "MultiGet returned value %s\n",
|
|
values[i].ToString(true).c_str());
|
|
fprintf(stderr, "Get returned value %s\n", value.c_str());
|
|
is_consistent = false;
|
|
}
|
|
}
|
|
|
|
if (!is_consistent) {
|
|
fprintf(stderr, "TestMultiGet error: is_consistent is false\n");
|
|
thread->stats.AddErrors(1);
|
|
// Fail fast to preserve the DB state
|
|
thread->shared->SetVerificationFailure();
|
|
break;
|
|
} else if (s.ok()) {
|
|
// found case
|
|
thread->stats.AddGets(1, 1);
|
|
} else if (s.IsNotFound()) {
|
|
// not found case
|
|
thread->stats.AddGets(1, 0);
|
|
} else if (s.IsMergeInProgress() && use_txn) {
|
|
// With txn this is sometimes expected.
|
|
thread->stats.AddGets(1, 1);
|
|
} else {
|
|
if (error_count == 0) {
|
|
// errors case
|
|
fprintf(stderr, "MultiGet error: %s\n", s.ToString().c_str());
|
|
thread->stats.AddErrors(1);
|
|
} else {
|
|
thread->stats.AddVerifiedErrors(1);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (readoptionscopy.snapshot) {
|
|
db_->ReleaseSnapshot(readoptionscopy.snapshot);
|
|
}
|
|
if (use_txn) {
|
|
#ifndef ROCKSDB_LITE
|
|
RollbackTxn(txn);
|
|
#endif
|
|
}
|
|
return statuses;
|
|
}
|
|
|
|
Status TestPrefixScan(ThreadState* thread, const ReadOptions& read_opts,
|
|
const std::vector<int>& rand_column_families,
|
|
const std::vector<int64_t>& rand_keys) override {
|
|
auto cfh = column_families_[rand_column_families[0]];
|
|
std::string key_str = Key(rand_keys[0]);
|
|
Slice key = key_str;
|
|
Slice prefix = Slice(key.data(), FLAGS_prefix_size);
|
|
|
|
std::string upper_bound;
|
|
Slice ub_slice;
|
|
ReadOptions ro_copy = read_opts;
|
|
// Get the next prefix first and then see if we want to set upper bound.
|
|
// We'll use the next prefix in an assertion later on
|
|
if (GetNextPrefix(prefix, &upper_bound) && thread->rand.OneIn(2)) {
|
|
// For half of the time, set the upper bound to the next prefix
|
|
ub_slice = Slice(upper_bound);
|
|
ro_copy.iterate_upper_bound = &ub_slice;
|
|
}
|
|
|
|
std::string read_ts_str;
|
|
Slice read_ts_slice;
|
|
MaybeUseOlderTimestampForRangeScan(thread, read_ts_str, read_ts_slice,
|
|
ro_copy);
|
|
|
|
Iterator* iter = db_->NewIterator(ro_copy, cfh);
|
|
unsigned long count = 0;
|
|
for (iter->Seek(prefix); iter->Valid() && iter->key().starts_with(prefix);
|
|
iter->Next()) {
|
|
++count;
|
|
}
|
|
|
|
if (ro_copy.iter_start_ts == nullptr) {
|
|
assert(count <= GetPrefixKeyCount(prefix.ToString(), upper_bound));
|
|
}
|
|
|
|
Status s = iter->status();
|
|
if (iter->status().ok()) {
|
|
thread->stats.AddPrefixes(1, count);
|
|
} else {
|
|
fprintf(stderr, "TestPrefixScan error: %s\n", s.ToString().c_str());
|
|
thread->stats.AddErrors(1);
|
|
}
|
|
delete iter;
|
|
return s;
|
|
}
|
|
|
|
Status TestPut(ThreadState* thread, WriteOptions& write_opts,
|
|
const ReadOptions& read_opts,
|
|
const std::vector<int>& rand_column_families,
|
|
const std::vector<int64_t>& rand_keys, char (&value)[100],
|
|
std::unique_ptr<MutexLock>& lock) override {
|
|
auto shared = thread->shared;
|
|
int64_t max_key = shared->GetMaxKey();
|
|
int64_t rand_key = rand_keys[0];
|
|
int rand_column_family = rand_column_families[0];
|
|
std::string write_ts_str;
|
|
Slice write_ts;
|
|
while (!shared->AllowsOverwrite(rand_key) &&
|
|
(FLAGS_use_merge || shared->Exists(rand_column_family, rand_key))) {
|
|
lock.reset();
|
|
rand_key = thread->rand.Next() % max_key;
|
|
rand_column_family = thread->rand.Next() % FLAGS_column_families;
|
|
lock.reset(
|
|
new MutexLock(shared->GetMutexForKey(rand_column_family, rand_key)));
|
|
if (FLAGS_user_timestamp_size > 0) {
|
|
write_ts_str = GetNowNanos();
|
|
write_ts = write_ts_str;
|
|
}
|
|
}
|
|
if (write_ts.size() == 0 && FLAGS_user_timestamp_size) {
|
|
write_ts_str = GetNowNanos();
|
|
write_ts = write_ts_str;
|
|
}
|
|
|
|
std::string key_str = Key(rand_key);
|
|
Slice key = key_str;
|
|
ColumnFamilyHandle* cfh = column_families_[rand_column_family];
|
|
|
|
if (FLAGS_verify_before_write) {
|
|
std::string key_str2 = Key(rand_key);
|
|
Slice k = key_str2;
|
|
std::string from_db;
|
|
Status s = db_->Get(read_opts, cfh, k, &from_db);
|
|
if (!VerifyOrSyncValue(rand_column_family, rand_key, read_opts, shared,
|
|
from_db, s, true)) {
|
|
return s;
|
|
}
|
|
}
|
|
uint32_t value_base = thread->rand.Next() % shared->UNKNOWN_SENTINEL;
|
|
size_t sz = GenerateValue(value_base, value, sizeof(value));
|
|
Slice v(value, sz);
|
|
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, cfh, key, v);
|
|
} else {
|
|
#ifndef ROCKSDB_LITE
|
|
Transaction* txn;
|
|
s = NewTxn(write_opts, &txn);
|
|
if (s.ok()) {
|
|
s = txn->Merge(cfh, key, v);
|
|
if (s.ok()) {
|
|
s = CommitTxn(txn, thread);
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
} else {
|
|
if (!FLAGS_use_txn) {
|
|
if (FLAGS_user_timestamp_size == 0) {
|
|
s = db_->Put(write_opts, cfh, key, v);
|
|
} else {
|
|
s = db_->Put(write_opts, cfh, key, write_ts, v);
|
|
}
|
|
} else {
|
|
#ifndef ROCKSDB_LITE
|
|
Transaction* txn;
|
|
s = NewTxn(write_opts, &txn);
|
|
if (s.ok()) {
|
|
s = txn->Put(cfh, key, v);
|
|
if (s.ok()) {
|
|
s = CommitTxn(txn, thread);
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
shared->Put(rand_column_family, rand_key, value_base, false /* pending */);
|
|
if (!s.ok()) {
|
|
if (FLAGS_injest_error_severity >= 2) {
|
|
if (!is_db_stopped_ && s.severity() >= Status::Severity::kFatalError) {
|
|
is_db_stopped_ = true;
|
|
} else if (!is_db_stopped_ ||
|
|
s.severity() < Status::Severity::kFatalError) {
|
|
fprintf(stderr, "put or merge error: %s\n", s.ToString().c_str());
|
|
std::terminate();
|
|
}
|
|
} else {
|
|
fprintf(stderr, "put or merge error: %s\n", s.ToString().c_str());
|
|
std::terminate();
|
|
}
|
|
}
|
|
thread->stats.AddBytesForWrites(1, sz);
|
|
PrintKeyValue(rand_column_family, static_cast<uint32_t>(rand_key), value,
|
|
sz);
|
|
return s;
|
|
}
|
|
|
|
Status TestDelete(ThreadState* thread, WriteOptions& write_opts,
|
|
const std::vector<int>& rand_column_families,
|
|
const std::vector<int64_t>& rand_keys,
|
|
std::unique_ptr<MutexLock>& /* lock */) override {
|
|
int64_t rand_key = rand_keys[0];
|
|
int rand_column_family = rand_column_families[0];
|
|
auto shared = thread->shared;
|
|
|
|
// OPERATION delete
|
|
std::string write_ts_str = GetNowNanos();
|
|
Slice write_ts = write_ts_str;
|
|
|
|
std::string key_str = Key(rand_key);
|
|
Slice key = key_str;
|
|
auto cfh = column_families_[rand_column_family];
|
|
|
|
// Use delete if the key may be overwritten and a single deletion
|
|
// otherwise.
|
|
Status s;
|
|
if (shared->AllowsOverwrite(rand_key)) {
|
|
shared->Delete(rand_column_family, rand_key, true /* pending */);
|
|
if (!FLAGS_use_txn) {
|
|
if (FLAGS_user_timestamp_size == 0) {
|
|
s = db_->Delete(write_opts, cfh, key);
|
|
} else {
|
|
s = db_->Delete(write_opts, cfh, key, write_ts);
|
|
}
|
|
} else {
|
|
#ifndef ROCKSDB_LITE
|
|
Transaction* txn;
|
|
s = NewTxn(write_opts, &txn);
|
|
if (s.ok()) {
|
|
s = txn->Delete(cfh, key);
|
|
if (s.ok()) {
|
|
s = CommitTxn(txn, thread);
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
shared->Delete(rand_column_family, rand_key, false /* pending */);
|
|
thread->stats.AddDeletes(1);
|
|
if (!s.ok()) {
|
|
if (FLAGS_injest_error_severity >= 2) {
|
|
if (!is_db_stopped_ &&
|
|
s.severity() >= Status::Severity::kFatalError) {
|
|
is_db_stopped_ = true;
|
|
} else if (!is_db_stopped_ ||
|
|
s.severity() < Status::Severity::kFatalError) {
|
|
fprintf(stderr, "delete error: %s\n", s.ToString().c_str());
|
|
std::terminate();
|
|
}
|
|
} else {
|
|
fprintf(stderr, "delete error: %s\n", s.ToString().c_str());
|
|
std::terminate();
|
|
}
|
|
}
|
|
} else {
|
|
shared->SingleDelete(rand_column_family, rand_key, true /* pending */);
|
|
if (!FLAGS_use_txn) {
|
|
if (FLAGS_user_timestamp_size == 0) {
|
|
s = db_->SingleDelete(write_opts, cfh, key);
|
|
} else {
|
|
s = db_->SingleDelete(write_opts, cfh, key, write_ts);
|
|
}
|
|
} else {
|
|
#ifndef ROCKSDB_LITE
|
|
Transaction* txn;
|
|
s = NewTxn(write_opts, &txn);
|
|
if (s.ok()) {
|
|
s = txn->SingleDelete(cfh, key);
|
|
if (s.ok()) {
|
|
s = CommitTxn(txn, thread);
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
shared->SingleDelete(rand_column_family, rand_key, false /* pending */);
|
|
thread->stats.AddSingleDeletes(1);
|
|
if (!s.ok()) {
|
|
if (FLAGS_injest_error_severity >= 2) {
|
|
if (!is_db_stopped_ &&
|
|
s.severity() >= Status::Severity::kFatalError) {
|
|
is_db_stopped_ = true;
|
|
} else if (!is_db_stopped_ ||
|
|
s.severity() < Status::Severity::kFatalError) {
|
|
fprintf(stderr, "single delete error: %s\n", s.ToString().c_str());
|
|
std::terminate();
|
|
}
|
|
} else {
|
|
fprintf(stderr, "single delete error: %s\n", s.ToString().c_str());
|
|
std::terminate();
|
|
}
|
|
}
|
|
}
|
|
return s;
|
|
}
|
|
|
|
Status TestDeleteRange(ThreadState* thread, WriteOptions& write_opts,
|
|
const std::vector<int>& rand_column_families,
|
|
const std::vector<int64_t>& rand_keys,
|
|
std::unique_ptr<MutexLock>& lock) override {
|
|
// OPERATION delete range
|
|
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.
|
|
int64_t rand_key = rand_keys[0];
|
|
int rand_column_family = rand_column_families[0];
|
|
auto shared = thread->shared;
|
|
int64_t max_key = shared->GetMaxKey();
|
|
if (rand_key > max_key - FLAGS_range_deletion_width) {
|
|
lock.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(lock));
|
|
}
|
|
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 */);
|
|
|
|
std::string keystr = Key(rand_key);
|
|
Slice key = keystr;
|
|
auto cfh = 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, cfh, key, end_key);
|
|
if (!s.ok()) {
|
|
if (FLAGS_injest_error_severity >= 2) {
|
|
if (!is_db_stopped_ && s.severity() >= Status::Severity::kFatalError) {
|
|
is_db_stopped_ = true;
|
|
} else if (!is_db_stopped_ ||
|
|
s.severity() < Status::Severity::kFatalError) {
|
|
fprintf(stderr, "delete range error: %s\n", s.ToString().c_str());
|
|
std::terminate();
|
|
}
|
|
} else {
|
|
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);
|
|
return s;
|
|
}
|
|
|
|
#ifdef ROCKSDB_LITE
|
|
void TestIngestExternalFile(
|
|
ThreadState* /* thread */,
|
|
const std::vector<int>& /* rand_column_families */,
|
|
const std::vector<int64_t>& /* rand_keys */,
|
|
std::unique_ptr<MutexLock>& /* lock */) override {
|
|
assert(false);
|
|
fprintf(stderr,
|
|
"RocksDB lite does not support "
|
|
"TestIngestExternalFile\n");
|
|
std::terminate();
|
|
}
|
|
#else
|
|
void TestIngestExternalFile(ThreadState* thread,
|
|
const std::vector<int>& rand_column_families,
|
|
const std::vector<int64_t>& rand_keys,
|
|
std::unique_ptr<MutexLock>& lock) override {
|
|
const std::string sst_filename =
|
|
FLAGS_db + "/." + std::to_string(thread->tid) + ".sst";
|
|
Status s;
|
|
if (db_stress_env->FileExists(sst_filename).ok()) {
|
|
// Maybe we terminated abnormally before, so cleanup to give this file
|
|
// ingestion a clean slate
|
|
s = db_stress_env->DeleteFile(sst_filename);
|
|
}
|
|
|
|
SstFileWriter sst_file_writer(EnvOptions(options_), options_);
|
|
if (s.ok()) {
|
|
s = sst_file_writer.Open(sst_filename);
|
|
}
|
|
int64_t key_base = rand_keys[0];
|
|
int column_family = rand_column_families[0];
|
|
std::vector<std::unique_ptr<MutexLock>> range_locks;
|
|
range_locks.reserve(FLAGS_ingest_external_file_width);
|
|
std::vector<int64_t> keys;
|
|
keys.reserve(FLAGS_ingest_external_file_width);
|
|
std::vector<uint32_t> values;
|
|
values.reserve(FLAGS_ingest_external_file_width);
|
|
SharedState* shared = thread->shared;
|
|
|
|
assert(FLAGS_nooverwritepercent < 100);
|
|
// Grab locks, set pending state on expected values, and add keys
|
|
for (int64_t key = key_base;
|
|
s.ok() && key < shared->GetMaxKey() &&
|
|
static_cast<int32_t>(keys.size()) < FLAGS_ingest_external_file_width;
|
|
++key) {
|
|
if (key == key_base) {
|
|
range_locks.emplace_back(std::move(lock));
|
|
} else if ((key & ((1 << FLAGS_log2_keys_per_lock) - 1)) == 0) {
|
|
range_locks.emplace_back(
|
|
new MutexLock(shared->GetMutexForKey(column_family, key)));
|
|
}
|
|
if (!shared->AllowsOverwrite(key)) {
|
|
// We could alternatively include `key` on the condition its current
|
|
// value is `DELETION_SENTINEL`.
|
|
continue;
|
|
}
|
|
keys.push_back(key);
|
|
|
|
uint32_t value_base = thread->rand.Next() % shared->UNKNOWN_SENTINEL;
|
|
values.push_back(value_base);
|
|
shared->Put(column_family, key, value_base, true /* pending */);
|
|
|
|
char value[100];
|
|
size_t value_len = GenerateValue(value_base, value, sizeof(value));
|
|
auto key_str = Key(key);
|
|
s = sst_file_writer.Put(Slice(key_str), Slice(value, value_len));
|
|
}
|
|
|
|
if (s.ok()) {
|
|
s = sst_file_writer.Finish();
|
|
}
|
|
if (s.ok()) {
|
|
s = db_->IngestExternalFile(column_families_[column_family],
|
|
{sst_filename}, IngestExternalFileOptions());
|
|
}
|
|
if (!s.ok()) {
|
|
fprintf(stderr, "file ingestion error: %s\n", s.ToString().c_str());
|
|
std::terminate();
|
|
}
|
|
for (size_t i = 0; i < keys.size(); ++i) {
|
|
shared->Put(column_family, keys[i], values[i], false /* pending */);
|
|
}
|
|
}
|
|
#endif // ROCKSDB_LITE
|
|
|
|
bool VerifyOrSyncValue(int cf, int64_t key, const ReadOptions& /*opts*/,
|
|
SharedState* shared, const std::string& value_from_db,
|
|
const Status& s, bool strict = false) const {
|
|
if (shared->HasVerificationFailedYet()) {
|
|
return false;
|
|
}
|
|
// compare value_from_db with the value in the shared state
|
|
uint32_t value_base = shared->Get(cf, key);
|
|
if (value_base == SharedState::UNKNOWN_SENTINEL) {
|
|
if (s.ok()) {
|
|
// Value exists in db, update state to reflect that
|
|
Slice slice(value_from_db);
|
|
value_base = GetValueBase(slice);
|
|
shared->Put(cf, key, value_base, false);
|
|
} else if (s.IsNotFound()) {
|
|
// Value doesn't exist in db, update state to reflect that
|
|
shared->SingleDelete(cf, key, false);
|
|
}
|
|
return true;
|
|
}
|
|
if (value_base == SharedState::DELETION_SENTINEL && !strict) {
|
|
return true;
|
|
}
|
|
|
|
if (s.ok()) {
|
|
char value[kValueMaxLen];
|
|
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;
|
|
}
|
|
|
|
#ifndef ROCKSDB_LITE
|
|
void PrepareTxnDbOptions(SharedState* shared,
|
|
TransactionDBOptions& txn_db_opts) override {
|
|
txn_db_opts.rollback_deletion_type_callback =
|
|
[shared](TransactionDB*, ColumnFamilyHandle*, const Slice& key) {
|
|
assert(shared);
|
|
uint64_t key_num = 0;
|
|
bool ok = GetIntVal(key.ToString(), &key_num);
|
|
assert(ok);
|
|
(void)ok;
|
|
return !shared->AllowsOverwrite(key_num);
|
|
};
|
|
}
|
|
#endif // ROCKSDB_LITE
|
|
};
|
|
|
|
StressTest* CreateNonBatchedOpsStressTest() {
|
|
return new NonBatchedOpsStressTest();
|
|
}
|
|
|
|
} // namespace ROCKSDB_NAMESPACE
|
|
#endif // GFLAGS
|