3d07b815f6
Summary: It would be nice to have and access to table properties in compaction callbacks. In MyRocks project, it will make possible to update optimizer statistics online. Test Plan: ran the unit test. Ran myrocks with the new way of collecting stats. Reviewers: igor, rven, yhchiang Reviewed By: yhchiang Subscribers: dhruba Differential Revision: https://reviews.facebook.net/D48267
97 lines
3.1 KiB
C++
97 lines
3.1 KiB
C++
// Copyright (c) 2013, Facebook, Inc. All rights reserved.
|
|
// This source code is licensed under the BSD-style license found in the
|
|
// LICENSE file in the root directory of this source tree. An additional grant
|
|
// of patent rights can be found in the PATENTS file in the same directory.
|
|
//
|
|
// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file. See the AUTHORS file for names of contributors.
|
|
#pragma once
|
|
|
|
#include <atomic>
|
|
#include <deque>
|
|
#include <limits>
|
|
#include <set>
|
|
#include <utility>
|
|
#include <vector>
|
|
#include <string>
|
|
|
|
#include "db/dbformat.h"
|
|
#include "db/column_family.h"
|
|
#include "db/log_writer.h"
|
|
#include "db/memtable_list.h"
|
|
#include "db/snapshot_impl.h"
|
|
#include "db/version_edit.h"
|
|
#include "port/port.h"
|
|
#include "rocksdb/db.h"
|
|
#include "rocksdb/env.h"
|
|
#include "rocksdb/memtablerep.h"
|
|
#include "rocksdb/transaction_log.h"
|
|
#include "util/autovector.h"
|
|
#include "util/event_logger.h"
|
|
#include "util/instrumented_mutex.h"
|
|
#include "util/stop_watch.h"
|
|
#include "util/thread_local.h"
|
|
#include "util/scoped_arena_iterator.h"
|
|
#include "db/internal_stats.h"
|
|
#include "db/write_controller.h"
|
|
#include "db/flush_scheduler.h"
|
|
#include "db/write_thread.h"
|
|
#include "db/job_context.h"
|
|
|
|
namespace rocksdb {
|
|
|
|
class MemTable;
|
|
class TableCache;
|
|
class Version;
|
|
class VersionEdit;
|
|
class VersionSet;
|
|
class Arena;
|
|
|
|
class FlushJob {
|
|
public:
|
|
// TODO(icanadi) make effort to reduce number of parameters here
|
|
// IMPORTANT: mutable_cf_options needs to be alive while FlushJob is alive
|
|
FlushJob(const std::string& dbname, ColumnFamilyData* cfd,
|
|
const DBOptions& db_options,
|
|
const MutableCFOptions& mutable_cf_options,
|
|
const EnvOptions& env_options, VersionSet* versions,
|
|
InstrumentedMutex* db_mutex, std::atomic<bool>* shutting_down,
|
|
std::vector<SequenceNumber> existing_snapshots,
|
|
JobContext* job_context, LogBuffer* log_buffer,
|
|
Directory* db_directory, Directory* output_file_directory,
|
|
CompressionType output_compression, Statistics* stats,
|
|
EventLogger* event_logger);
|
|
|
|
~FlushJob();
|
|
|
|
Status Run(FileMetaData* file_meta = nullptr);
|
|
TableProperties GetTableProperties() const { return table_properties_; }
|
|
|
|
private:
|
|
void ReportStartedFlush();
|
|
void ReportFlushInputSize(const autovector<MemTable*>& mems);
|
|
void RecordFlushIOStats();
|
|
Status WriteLevel0Table(const autovector<MemTable*>& mems, VersionEdit* edit,
|
|
FileMetaData* meta);
|
|
const std::string& dbname_;
|
|
ColumnFamilyData* cfd_;
|
|
const DBOptions& db_options_;
|
|
const MutableCFOptions& mutable_cf_options_;
|
|
const EnvOptions& env_options_;
|
|
VersionSet* versions_;
|
|
InstrumentedMutex* db_mutex_;
|
|
std::atomic<bool>* shutting_down_;
|
|
std::vector<SequenceNumber> existing_snapshots_;
|
|
JobContext* job_context_;
|
|
LogBuffer* log_buffer_;
|
|
Directory* db_directory_;
|
|
Directory* output_file_directory_;
|
|
CompressionType output_compression_;
|
|
Statistics* stats_;
|
|
EventLogger* event_logger_;
|
|
TableProperties table_properties_;
|
|
};
|
|
|
|
} // namespace rocksdb
|