mirror of https://github.com/facebook/rocksdb.git
317 lines
13 KiB
C++
317 lines
13 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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#pragma once
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#include "db_stress_tool/db_stress_common.h"
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#include "db_stress_tool/db_stress_shared_state.h"
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namespace ROCKSDB_NAMESPACE {
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class SystemClock;
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class Transaction;
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class TransactionDB;
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struct TransactionDBOptions;
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class StressTest {
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public:
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StressTest();
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virtual ~StressTest();
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std::shared_ptr<Cache> NewCache(size_t capacity, int32_t num_shard_bits);
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static std::vector<std::string> GetBlobCompressionTags();
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bool BuildOptionsTable();
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void InitDb(SharedState*);
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// The initialization work is split into two parts to avoid a circular
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// dependency with `SharedState`.
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virtual void FinishInitDb(SharedState*);
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void TrackExpectedState(SharedState* shared);
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void OperateDb(ThreadState* thread);
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virtual void VerifyDb(ThreadState* thread) const = 0;
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virtual void ContinuouslyVerifyDb(ThreadState* /*thread*/) const = 0;
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void PrintStatistics();
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void ReleaseOldTimestampedSnapshots(uint64_t ts);
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std::pair<Status, std::shared_ptr<const Snapshot>> CreateTimestampedSnapshot(
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uint64_t ts);
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protected:
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Status AssertSame(DB* db, ColumnFamilyHandle* cf,
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ThreadState::SnapshotState& snap_state);
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// Currently PreloadDb has to be single-threaded.
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void PreloadDbAndReopenAsReadOnly(int64_t number_of_keys,
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SharedState* shared);
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Status SetOptions(ThreadState* thread);
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#ifndef ROCKSDB_LITE
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Status NewTxn(WriteOptions& write_opts, Transaction** txn);
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Status CommitTxn(Transaction* txn, ThreadState* thread = nullptr);
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Status RollbackTxn(Transaction* txn);
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#endif
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virtual void MaybeClearOneColumnFamily(ThreadState* /* thread */) {}
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virtual bool ShouldAcquireMutexOnKey() const { return false; }
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// Returns true if DB state is tracked by the stress test.
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virtual bool IsStateTracked() const = 0;
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virtual std::vector<int> GenerateColumnFamilies(
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const int /* num_column_families */, int rand_column_family) const {
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return {rand_column_family};
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}
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virtual std::vector<int64_t> GenerateKeys(int64_t rand_key) const {
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return {rand_key};
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}
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virtual 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) = 0;
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virtual 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) = 0;
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virtual Status TestPrefixScan(ThreadState* thread,
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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) = 0;
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virtual Status TestPut(ThreadState* thread, WriteOptions& write_opts,
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const ReadOptions& read_opts,
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const std::vector<int>& cf_ids,
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const std::vector<int64_t>& keys, char (&value)[100],
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std::unique_ptr<MutexLock>& lock) = 0;
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virtual Status TestDelete(ThreadState* thread, WriteOptions& write_opts,
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const std::vector<int>& rand_column_families,
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const std::vector<int64_t>& rand_keys,
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std::unique_ptr<MutexLock>& lock) = 0;
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virtual Status TestDeleteRange(ThreadState* thread, WriteOptions& write_opts,
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const std::vector<int>& rand_column_families,
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const std::vector<int64_t>& rand_keys,
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std::unique_ptr<MutexLock>& lock) = 0;
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virtual void TestIngestExternalFile(
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ThreadState* thread, const std::vector<int>& rand_column_families,
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const std::vector<int64_t>& rand_keys,
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std::unique_ptr<MutexLock>& lock) = 0;
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// Issue compact range, starting with start_key, whose integer value
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// is rand_key.
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virtual void TestCompactRange(ThreadState* thread, int64_t rand_key,
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const Slice& start_key,
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ColumnFamilyHandle* column_family);
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// Calculate a hash value for all keys in range [start_key, end_key]
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// at a certain snapshot.
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uint32_t GetRangeHash(ThreadState* thread, const Snapshot* snapshot,
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ColumnFamilyHandle* column_family,
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const Slice& start_key, const Slice& end_key);
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// Return a column family handle that mirrors what is pointed by
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// `column_family_id`, which will be used to validate data to be correct.
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// By default, the column family itself will be returned.
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virtual ColumnFamilyHandle* GetControlCfh(ThreadState* /* thread*/,
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int column_family_id) {
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return column_families_[column_family_id];
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}
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#ifndef ROCKSDB_LITE
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// Generated a list of keys that close to boundaries of SST keys.
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// If there isn't any SST file in the DB, return empty list.
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std::vector<std::string> GetWhiteBoxKeys(ThreadState* thread, DB* db,
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ColumnFamilyHandle* cfh,
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size_t num_keys);
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#else // !ROCKSDB_LITE
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std::vector<std::string> GetWhiteBoxKeys(ThreadState*, DB*,
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ColumnFamilyHandle*, size_t) {
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// Not supported in LITE mode.
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return {};
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}
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#endif // !ROCKSDB_LITE
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// Given a key K, this creates an iterator which scans to K and then
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// does a random sequence of Next/Prev operations.
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virtual Status TestIterate(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);
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// Enum used by VerifyIterator() to identify the mode to validate.
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enum LastIterateOp {
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kLastOpSeek,
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kLastOpSeekForPrev,
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kLastOpNextOrPrev,
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kLastOpSeekToFirst,
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kLastOpSeekToLast
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};
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// Compare the two iterator, iter and cmp_iter are in the same position,
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// unless iter might be made invalidate or undefined because of
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// upper or lower bounds, or prefix extractor.
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// Will flag failure if the verification fails.
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// diverged = true if the two iterator is already diverged.
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// True if verification passed, false if not.
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// op_logs is the information to print when validation fails.
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void VerifyIterator(ThreadState* thread, ColumnFamilyHandle* cmp_cfh,
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const ReadOptions& ro, Iterator* iter, Iterator* cmp_iter,
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LastIterateOp op, const Slice& seek_key,
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const std::string& op_logs, bool* diverged);
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virtual Status TestBackupRestore(ThreadState* thread,
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const std::vector<int>& rand_column_families,
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const std::vector<int64_t>& rand_keys);
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virtual Status TestCheckpoint(ThreadState* thread,
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const std::vector<int>& rand_column_families,
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const std::vector<int64_t>& rand_keys);
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void TestCompactFiles(ThreadState* thread, ColumnFamilyHandle* column_family);
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Status TestFlush(const std::vector<int>& rand_column_families);
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Status TestPauseBackground(ThreadState* thread);
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void TestAcquireSnapshot(ThreadState* thread, int rand_column_family,
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const std::string& keystr, uint64_t i);
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Status MaybeReleaseSnapshots(ThreadState* thread, uint64_t i);
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#ifndef ROCKSDB_LITE
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Status VerifyGetLiveFiles() const;
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Status VerifyGetSortedWalFiles() const;
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Status VerifyGetCurrentWalFile() const;
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void TestGetProperty(ThreadState* thread) const;
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virtual Status TestApproximateSize(
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ThreadState* thread, uint64_t iteration,
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const std::vector<int>& rand_column_families,
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const std::vector<int64_t>& rand_keys);
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#endif // !ROCKSDB_LITE
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virtual Status TestCustomOperations(
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ThreadState* /*thread*/,
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const std::vector<int>& /*rand_column_families*/) {
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return Status::NotSupported("TestCustomOperations() must be overridden");
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}
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void VerificationAbort(SharedState* shared, std::string msg, Status s) const;
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void VerificationAbort(SharedState* shared, std::string msg, int cf,
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int64_t key) const;
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void PrintEnv() const;
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void Open(SharedState* shared);
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void Reopen(ThreadState* thread);
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virtual void RegisterAdditionalListeners() {}
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#ifndef ROCKSDB_LITE
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virtual void PrepareTxnDbOptions(SharedState* /*shared*/,
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TransactionDBOptions& /*txn_db_opts*/) {}
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#endif
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void MaybeUseOlderTimestampForPointLookup(ThreadState* thread,
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std::string& ts_str,
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Slice& ts_slice,
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ReadOptions& read_opts);
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void MaybeUseOlderTimestampForRangeScan(ThreadState* thread,
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std::string& ts_str, Slice& ts_slice,
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ReadOptions& read_opts);
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std::shared_ptr<Cache> cache_;
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std::shared_ptr<Cache> compressed_cache_;
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std::shared_ptr<const FilterPolicy> filter_policy_;
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DB* db_;
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#ifndef ROCKSDB_LITE
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TransactionDB* txn_db_;
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#endif
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// Currently only used in MultiOpsTxnsStressTest
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std::atomic<DB*> db_aptr_;
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Options options_;
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SystemClock* clock_;
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std::vector<ColumnFamilyHandle*> column_families_;
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std::vector<std::string> column_family_names_;
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std::atomic<int> new_column_family_name_;
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int num_times_reopened_;
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std::unordered_map<std::string, std::vector<std::string>> options_table_;
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std::vector<std::string> options_index_;
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std::atomic<bool> db_preload_finished_;
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// Fields used for continuous verification from another thread
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DB* cmp_db_;
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std::vector<ColumnFamilyHandle*> cmp_cfhs_;
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bool is_db_stopped_;
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};
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// Load options from OPTIONS file and populate `options`.
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extern bool InitializeOptionsFromFile(Options& options);
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// Initialize `options` using command line arguments.
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// When this function is called, `cache`, `block_cache_compressed`,
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// `filter_policy` have all been initialized. Therefore, we just pass them as
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// input arguments.
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extern void InitializeOptionsFromFlags(
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const std::shared_ptr<Cache>& cache,
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const std::shared_ptr<Cache>& block_cache_compressed,
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const std::shared_ptr<const FilterPolicy>& filter_policy, Options& options);
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// Initialize `options` on which `InitializeOptionsFromFile()` and
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// `InitializeOptionsFromFlags()` have both been called already.
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// There are two cases.
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// Case 1: OPTIONS file is not specified. Command line arguments have been used
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// to initialize `options`. InitializeOptionsGeneral() will use
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// `cache`, `block_cache_compressed` and `filter_policy` to initialize
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// corresponding fields of `options`. InitializeOptionsGeneral() will
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// also set up other fields of `options` so that stress test can run.
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// Examples include `create_if_missing` and
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// `create_missing_column_families`, etc.
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// Case 2: OPTIONS file is specified. It is possible that, after loading from
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// the given OPTIONS files, some shared object fields are still not
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// initialized because they are not set in the OPTIONS file. In this
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// case, if command line arguments indicate that the user wants to set
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// up such shared objects, e.g. block cache, compressed block cache,
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// row cache, filter policy, then InitializeOptionsGeneral() will honor
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// the user's choice, thus passing `cache`, `block_cache_compressed`,
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// `filter_policy` as input arguments.
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//
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// InitializeOptionsGeneral() must not overwrite fields of `options` loaded
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// from OPTIONS file.
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extern void InitializeOptionsGeneral(
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const std::shared_ptr<Cache>& cache,
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const std::shared_ptr<Cache>& block_cache_compressed,
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const std::shared_ptr<const FilterPolicy>& filter_policy, Options& options);
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// If no OPTIONS file is specified, set up `options` so that we can test
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// user-defined timestamp which requires `-user_timestamp_size=8`.
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// This function also checks for known (currently) incompatible features with
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// user-defined timestamp.
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extern void CheckAndSetOptionsForUserTimestamp(Options& options);
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} // namespace ROCKSDB_NAMESPACE
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#endif // GFLAGS
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