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775dc623ad
Summary: Added a `CompactionFilter` that is aware of the stress test's expected state. It only drops key versions that are already covered according to the expected state. It is incompatible with snapshots (same as all `CompactionFilter`s), so disables all snapshot-related features when used in the crash test. Pull Request resolved: https://github.com/facebook/rocksdb/pull/6988 Test Plan: running a minified blackbox crash test ``` $ TEST_TMPDIR=/dev/shm python tools/db_crashtest.py blackbox --max_key=1000000 -write_buffer_size=1048576 -max_bytes_for_level_base=4194304 -target_file_size_base=1048576 -value_size_mult=33 --interval=10 --duration=3600 ``` Reviewed By: anand1976 Differential Revision: D22072888 Pulled By: ajkr fbshipit-source-id: 727b9d7a90d5eab18be0ec6cd5a810712ac13320
237 lines
9 KiB
C++
237 lines
9 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 Transaction;
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class TransactionDB;
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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);
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bool BuildOptionsTable();
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void InitDb();
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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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void FinishInitDb(SharedState*);
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// Return false if verification fails.
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bool VerifySecondaries();
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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 {}
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void PrintStatistics();
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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);
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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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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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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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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();
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void Reopen(ThreadState* thread);
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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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Options options_;
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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 stress-testing secondary instance in the same process
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std::vector<DB*> secondaries_;
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std::vector<std::vector<ColumnFamilyHandle*>> secondary_cfh_lists_;
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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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};
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} // namespace ROCKSDB_NAMESPACE
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#endif // GFLAGS
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