/Users/deen/code/yugabyte-db/src/yb/rocksdb/db/flush_job.h
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1 | | // Copyright (c) 2011-present, Facebook, Inc. All rights reserved. |
2 | | // This source code is licensed under the BSD-style license found in the |
3 | | // LICENSE file in the root directory of this source tree. An additional grant |
4 | | // of patent rights can be found in the PATENTS file in the same directory. |
5 | | // |
6 | | // The following only applies to changes made to this file as part of YugaByte development. |
7 | | // |
8 | | // Portions Copyright (c) YugaByte, Inc. |
9 | | // |
10 | | // Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except |
11 | | // in compliance with the License. You may obtain a copy of the License at |
12 | | // |
13 | | // http://www.apache.org/licenses/LICENSE-2.0 |
14 | | // |
15 | | // Unless required by applicable law or agreed to in writing, software distributed under the License |
16 | | // is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express |
17 | | // or implied. See the License for the specific language governing permissions and limitations |
18 | | // under the License. |
19 | | // |
20 | | // Copyright (c) 2011 The LevelDB Authors. All rights reserved. |
21 | | // Use of this source code is governed by a BSD-style license that can be |
22 | | // found in the LICENSE file. See the AUTHORS file for names of contributors. |
23 | | |
24 | | #ifndef YB_ROCKSDB_DB_FLUSH_JOB_H |
25 | | #define YB_ROCKSDB_DB_FLUSH_JOB_H |
26 | | |
27 | | #pragma once |
28 | | |
29 | | #include <atomic> |
30 | | #include <deque> |
31 | | #include <limits> |
32 | | #include <set> |
33 | | #include <string> |
34 | | #include <utility> |
35 | | #include <vector> |
36 | | |
37 | | #include "yb/rocksdb/db.h" |
38 | | #include "yb/rocksdb/db/column_family.h" |
39 | | #include "yb/rocksdb/db/dbformat.h" |
40 | | #include "yb/rocksdb/db/job_context.h" |
41 | | #include "yb/rocksdb/db/log_writer.h" |
42 | | #include "yb/rocksdb/db/memtable_list.h" |
43 | | #include "yb/rocksdb/db/version_edit.h" |
44 | | #include "yb/rocksdb/db/write_controller.h" |
45 | | #include "yb/rocksdb/db/write_thread.h" |
46 | | #include "yb/rocksdb/env.h" |
47 | | #include "yb/rocksdb/memtablerep.h" |
48 | | #include "yb/rocksdb/port/port.h" |
49 | | #include "yb/rocksdb/transaction_log.h" |
50 | | #include "yb/rocksdb/util/autovector.h" |
51 | | #include "yb/rocksdb/util/event_logger.h" |
52 | | #include "yb/rocksdb/util/instrumented_mutex.h" |
53 | | #include "yb/rocksdb/util/stop_watch.h" |
54 | | #include "yb/rocksdb/util/thread_local.h" |
55 | | |
56 | | namespace rocksdb { |
57 | | |
58 | | using yb::Result; |
59 | | |
60 | | class Arena; |
61 | | class FileNumbersHolder; |
62 | | class FileNumbersProvider; |
63 | | class MemTable; |
64 | | class TableCache; |
65 | | class Version; |
66 | | class VersionEdit; |
67 | | class VersionSet; |
68 | | |
69 | | class FlushJob { |
70 | | public: |
71 | | // TODO(icanadi) make effort to reduce number of parameters here |
72 | | // IMPORTANT: mutable_cf_options needs to be alive while FlushJob is alive |
73 | | FlushJob(const std::string& dbname, ColumnFamilyData* cfd, |
74 | | const DBOptions& db_options, |
75 | | const MutableCFOptions& mutable_cf_options, |
76 | | const EnvOptions& env_options, VersionSet* versions, |
77 | | InstrumentedMutex* db_mutex, std::atomic<bool>* shutting_down, |
78 | | std::atomic<bool>* disable_flush_on_shutdown_, |
79 | | std::vector<SequenceNumber> existing_snapshots, |
80 | | SequenceNumber earliest_write_conflict_snapshot, |
81 | | MemTableFilter mem_table_flush_filter, |
82 | | FileNumbersProvider* file_number_provider, |
83 | | JobContext* job_context, LogBuffer* log_buffer, |
84 | | Directory* db_directory, Directory* output_file_directory, |
85 | | CompressionType output_compression, Statistics* stats, |
86 | | EventLogger* event_logger); |
87 | | |
88 | | ~FlushJob(); |
89 | | |
90 | | Result<FileNumbersHolder> Run(FileMetaData* file_meta = nullptr); |
91 | 31.8k | TableProperties GetTableProperties() const { return table_properties_; } |
92 | | |
93 | | private: |
94 | | void ReportStartedFlush(); |
95 | | void ReportFlushInputSize(const autovector<MemTable*>& mems); |
96 | | void RecordFlushIOStats(); |
97 | | Result<FileNumbersHolder> WriteLevel0Table( |
98 | | const autovector<MemTable*>& mems, VersionEdit* edit, FileMetaData* meta); |
99 | | const std::string& dbname_; |
100 | | ColumnFamilyData* cfd_; |
101 | | const DBOptions& db_options_; |
102 | | const MutableCFOptions& mutable_cf_options_; |
103 | | const EnvOptions& env_options_; |
104 | | VersionSet* versions_; |
105 | | InstrumentedMutex* db_mutex_; |
106 | | std::atomic<bool>* shutting_down_; |
107 | | std::atomic<bool>* disable_flush_on_shutdown_; |
108 | | std::vector<SequenceNumber> existing_snapshots_; |
109 | | SequenceNumber earliest_write_conflict_snapshot_; |
110 | | MemTableFilter mem_table_flush_filter_; |
111 | | FileNumbersProvider* file_numbers_provider_; |
112 | | JobContext* job_context_; |
113 | | LogBuffer* log_buffer_; |
114 | | Directory* db_directory_; |
115 | | Directory* output_file_directory_; |
116 | | CompressionType output_compression_; |
117 | | Statistics* stats_; |
118 | | EventLogger* event_logger_; |
119 | | TableProperties table_properties_; |
120 | | }; |
121 | | |
122 | | } // namespace rocksdb |
123 | | |
124 | | #endif // YB_ROCKSDB_DB_FLUSH_JOB_H |