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tang-jianfeng 08809f5e6c Implement trace sampling (#4963) 
Summary:
Implement trace sampling to allow user to specify the sampling frequency, i.e. save one per how many requests, so that a user does not need to log all if he/she is interested in only a sampled set.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/4963

Differential Revision: D14011190

Pulled By: tang-jianfeng

fbshipit-source-id: 078b631d9319b67cb089dd2c30e21d0df8dc406a
2019-02-08 18:08:18 -08:00
..
builder.cc
Add a new CPU time counter to compaction report (#4889)
2019-01-29 17:24:00 -08:00
builder.h
Add compaction logic to RangeDelAggregatorV2 (#4758)
2018-12-17 13:20:51 -08:00
c_test.c
Get CompactionJobInfo from CompactFiles
2018-12-13 14:21:24 -08:00
c.cc
Deprecate CompactionFilter::IgnoreSnapshots() = false (#4954)
2019-02-07 16:57:33 -08:00
column_family_test.cc
Remove cuckoo hash memtable (#4953)
2019-02-07 16:15:27 -08:00
column_family.cc
Digest ZSTD compression dictionary once when writing SST file (#4849)
2019-01-18 19:12:57 -08:00
column_family.h
Lock free MultiGet (#4754)
2019-01-02 11:42:54 -08:00
compact_files_test.cc
Get CompactionJobInfo from CompactFiles
2018-12-13 14:21:24 -08:00
compacted_db_impl.cc
move dump stats to a separate thread (#4382)
2018-10-08 22:54:43 -07:00
compacted_db_impl.h
Enable checkpoint of read-only db (#4681)
2018-12-07 17:06:02 -08:00
compaction_iteration_stats.h
add counter for deletion dropping optimization
2017-08-19 14:10:08 -07:00
compaction_iterator_test.cc
WritePrepared: fix issue with snapshot released during compaction (#4858)
2019-01-16 09:55:32 -08:00
compaction_iterator.cc
Deprecate CompactionFilter::IgnoreSnapshots() = false (#4954)
2019-02-07 16:57:33 -08:00
compaction_iterator.h
Deprecate CompactionFilter::IgnoreSnapshots() = false (#4954)
2019-02-07 16:57:33 -08:00
compaction_job_stats_test.cc
Per-thread unique test db names (#4135)
2018-07-13 17:27:39 -07:00
compaction_job_test.cc
Zero seqnum of final key / drop final tombstone when compacting to bottommost level
2019-02-01 09:21:57 -08:00
compaction_job.cc
Deprecate CompactionFilter::IgnoreSnapshots() = false (#4954)
2019-02-07 16:57:33 -08:00
compaction_job.h
Remove v1 RangeDelAggregator (#4778)
2018-12-17 17:33:46 -08:00
compaction_picker_fifo.cc
Move FIFOCompactionPicker to a separate file (#4724)
2018-11-29 16:04:52 -08:00
compaction_picker_fifo.h
Move FIFOCompactionPicker to a separate file (#4724)
2018-11-29 16:04:52 -08:00
compaction_picker_test.cc
Make compaction_pri = kMinOverlappingRatio to be default (#4911)
2019-01-23 16:47:38 -08:00
compaction_picker_universal.cc
Remove random writes from SST file ingestion (#4172)
2018-07-27 16:12:23 -07:00
compaction_picker_universal.h
Delete triggered compaction for universal style
2018-05-29 15:44:34 -07:00
compaction_picker.cc
Move FIFOCompactionPicker to a separate file (#4724)
2018-11-29 16:04:52 -08:00
compaction_picker.h
Move FIFOCompactionPicker to a separate file (#4724)
2018-11-29 16:04:52 -08:00
compaction.cc
Correct the code comment in Compaction::KeyNotExistsBeyondOutputLevel (#4902)
2019-01-23 18:00:56 -08:00
compaction.h
Truncate range tombstones by leveraging InternalKeys (#4432)
2018-10-09 15:19:38 -07:00
comparator_db_test.cc
Per-thread unique test db names (#4135)
2018-07-13 17:27:39 -07:00
convenience.cc
Update all unique/shared_ptr instances to be qualified with namespace std (#4638)
2018-11-09 11:19:58 -08:00
corruption_test.cc
fix DeleteRange memory leak for mmap and block cache (#4810)
2018-12-20 21:59:49 -08:00
cuckoo_table_db_test.cc
Per-thread unique test db names (#4135)
2018-07-13 17:27:39 -07:00
db_basic_test.cc
Remove cuckoo hash memtable (#4953)
2019-02-07 16:15:27 -08:00
db_blob_index_test.cc
fix lite build
2017-10-17 08:57:09 -07:00
db_block_cache_test.cc
Cache dictionary used for decompressing data blocks (#4881)
2019-01-23 18:15:47 -08:00
db_bloom_filter_test.cc
Update all unique/shared_ptr instances to be qualified with namespace std (#4638)
2018-11-09 11:19:58 -08:00
db_compaction_filter_test.cc
Deprecate CompactionFilter::IgnoreSnapshots() = false (#4954)
2019-02-07 16:57:33 -08:00
db_compaction_test.cc
Preload some files even if options.max_open_files (#3340)
2018-12-28 18:02:28 -08:00
db_dynamic_level_test.cc
Fix flaky DBDynamicLevelTest.DynamicLevelMaxBytesBase2 (#4668)
2018-11-12 16:42:16 -08:00
db_encryption_test.cc
Update all unique/shared_ptr instances to be qualified with namespace std (#4638)
2018-11-09 11:19:58 -08:00
db_filesnapshot.cc
Remove redundant member var and set options (#4631)
2018-11-12 12:24:26 -08:00
db_flush_test.cc
Improve flushing multiple column families (#4708)
2018-12-13 15:12:40 -08:00
db_impl_compaction_flush.cc
Fix potential DB hang while using CompactFiles (#4940)
2019-02-05 11:23:38 -08:00
db_impl_debug.cc
Enable atomic flush (#4023)
2018-10-26 15:08:43 -07:00
db_impl_experimental.cc
Update JobContext. (#3949)
2018-08-03 17:42:34 -07:00
db_impl_files.cc
Fix #3840: only SyncClosedLogs for multiple CFs (#4460)
2018-11-13 11:32:16 -08:00
db_impl_open.cc
Add a new CPU time counter to compaction report (#4889)
2019-01-29 17:24:00 -08:00
db_impl_readonly.cc
Remove v1 RangeDelAggregator (#4778)
2018-12-17 17:33:46 -08:00
db_impl_readonly.h
Get CompactionJobInfo from CompactFiles
2018-12-13 14:21:24 -08:00
db_impl_write.cc
Add a new CPU time counter to compaction report (#4889)
2019-01-29 17:24:00 -08:00
db_impl.cc
BYTES_READ stats miscount for NotFound cases (#4938)
2019-02-05 10:53:35 -08:00
db_impl.h
Take snapshots once for all cf flushes (#4934)
2019-01-31 12:21:59 -08:00
db_info_dumper.cc
avoid copying when iterating using range-based for (#4459)
2018-10-09 17:15:51 -07:00
db_info_dumper.h
Change RocksDB License
2017-07-15 16:11:23 -07:00
db_inplace_update_test.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
db_io_failure_test.cc
Disable DBIOFailureTest.NoSpaceCompactRange in LITE (#4596)
2018-10-29 14:36:31 -07:00
db_iter_stress_test.cc
Move prefix_extractor to MutableCFOptions
2018-05-21 14:43:11 -07:00
db_iter_test.cc
Fix regression bug of Prev() with upper bound (#3989)
2018-06-12 16:57:36 -07:00
db_iter.cc
Remove v1 RangeDelAggregator (#4778)
2018-12-17 17:33:46 -08:00
db_iter.h
Remove v1 RangeDelAggregator (#4778)
2018-12-17 17:33:46 -08:00
db_iterator_test.cc
Remove cuckoo hash memtable (#4953)
2019-02-07 16:15:27 -08:00
db_log_iter_test.cc
Update all unique/shared_ptr instances to be qualified with namespace std (#4638)
2018-11-09 11:19:58 -08:00
db_memtable_test.cc
Remove v1 RangeDelAggregator (#4778)
2018-12-17 17:33:46 -08:00
db_merge_operator_test.cc
Remove cuckoo hash memtable (#4953)
2019-02-07 16:15:27 -08:00
db_options_test.cc
move dump stats to a separate thread (#4382)
2018-10-08 22:54:43 -07:00
db_properties_test.cc
fix accounting for range tombstones in TableProperties (#4841)
2019-01-02 15:08:53 -08:00
db_range_del_test.cc
Remove cuckoo hash memtable (#4953)
2019-02-07 16:15:27 -08:00
db_sst_test.cc
Try to fix DBSSTTest.RateLimitedDelete flakiness (#4840)
2019-01-03 11:05:19 -08:00
db_statistics_test.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
db_table_properties_test.cc
Allow dynamic modification of window size and deletion trigger (#4403)
2018-09-20 15:15:28 -07:00
db_tailing_iter_test.cc
Remove managed iterator
2018-07-17 14:43:18 -07:00
db_test2.cc
Implement trace sampling (#4963)
2019-02-08 18:08:18 -08:00
db_test_util.cc
Remove cuckoo hash memtable (#4953)
2019-02-07 16:15:27 -08:00
db_test_util.h
Remove cuckoo hash memtable (#4953)
2019-02-07 16:15:27 -08:00
db_test.cc
Remove cuckoo hash memtable (#4953)
2019-02-07 16:15:27 -08:00
db_universal_compaction_test.cc
Adapt three unit tests with newer compiler/libraries (#4562)
2018-10-24 08:17:56 -07:00
db_wal_test.cc
Preload some files even if options.max_open_files (#3340)
2018-12-28 18:02:28 -08:00
db_write_test.cc
Suppress tsan lock-order-inversion on FlushWAL
2018-05-14 21:13:35 -07:00
dbformat_test.cc
Relax VersionStorageInfo::GetOverlappingInputs check (#4050)
2018-07-13 17:42:38 -07:00
dbformat.cc
types: add kEntryBlobIndex for TablePropertiesCollector (#4233)
2018-08-06 18:27:44 -07:00
dbformat.h
s/CacheAllocator/MemoryAllocator/g (#4590)
2018-10-26 14:30:30 -07:00
deletefile_test.cc
Per-thread unique test db names (#4135)
2018-07-13 17:27:39 -07:00
error_handler_test.cc
Fix regression test failures introduced by PR #4164 (#4375)
2018-09-17 13:14:07 -07:00
error_handler.cc
Fix typos in comments (#4456)
2018-10-04 20:46:50 -07:00
error_handler.h
Fix typos in comments (#4456)
2018-10-04 20:46:50 -07:00
event_helpers.cc
Auto recovery from out of space errors (#4164)
2018-09-15 13:43:04 -07:00
event_helpers.h
Auto recovery from out of space errors (#4164)
2018-09-15 13:43:04 -07:00
experimental.cc
comment unused parameters to turn on -Wunused-parameter flag
2018-04-12 17:59:16 -07:00
external_sst_file_basic_test.cc
Verify checksum before ingestion (#4916)
2019-01-29 17:17:29 -08:00
external_sst_file_ingestion_job.cc
Verify checksum before ingestion (#4916)
2019-01-29 17:17:29 -08:00
external_sst_file_ingestion_job.h
Remove random writes from SST file ingestion (#4172)
2018-07-27 16:12:23 -07:00
external_sst_file_test.cc
Verify checksum before ingestion (#4916)
2019-01-29 17:17:29 -08:00
fault_injection_test.cc
Update all unique/shared_ptr instances to be qualified with namespace std (#4638)
2018-11-09 11:19:58 -08:00
file_indexer_test.cc
Comment out unused variables
2018-03-05 13:13:41 -08:00
file_indexer.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
file_indexer.h
Change RocksDB License
2017-07-15 16:11:23 -07:00
filename_test.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
flush_job_test.cc
Use correct FileMeta for atomic flush result install (#4932)
2019-01-31 14:49:51 -08:00
flush_job.cc
Add a new CPU time counter to compaction report (#4889)
2019-01-29 17:24:00 -08:00
flush_job.h
Add support to flush multiple CFs atomically (#4262)
2018-10-15 20:01:17 -07:00
flush_scheduler.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
flush_scheduler.h
Change RocksDB License
2017-07-15 16:11:23 -07:00
forward_iterator_bench.cc
Per-thread unique test db names (#4135)
2018-07-13 17:27:39 -07:00
forward_iterator.cc
Remove v1 RangeDelAggregator (#4778)
2018-12-17 17:33:46 -08:00
forward_iterator.h
Comment out unused variables
2018-03-05 13:13:41 -08:00
internal_stats.cc
Add a new CPU time counter to compaction report (#4889)
2019-01-29 17:24:00 -08:00
internal_stats.h
Add a new CPU time counter to compaction report (#4889)
2019-01-29 17:24:00 -08:00
job_context.h
WritePrepared: Fix visible key compacted out by compaction (#4883)
2019-01-15 21:34:38 -08:00
listener_test.cc
Use chrono::time_point instead of time_t (#4868)
2019-01-16 09:51:05 -08:00
log_format.h
Fix an inaccurate comment (#4315)
2018-08-24 18:13:20 -07:00
log_reader.cc
Update all unique/shared_ptr instances to be qualified with namespace std (#4638)
2018-11-09 11:19:58 -08:00
log_reader.h
Update all unique/shared_ptr instances to be qualified with namespace std (#4638)
2018-11-09 11:19:58 -08:00
log_test.cc
Update all unique/shared_ptr instances to be qualified with namespace std (#4638)
2018-11-09 11:19:58 -08:00
log_writer.cc
Pass manual_wal_flush also to the first wal file
2018-05-14 10:57:56 -07:00
log_writer.h
Update all unique/shared_ptr instances to be qualified with namespace std (#4638)
2018-11-09 11:19:58 -08:00
logs_with_prep_tracker.cc
Skip deleted WALs during recovery
2018-05-03 15:43:09 -07:00
logs_with_prep_tracker.h
Skip deleted WALs during recovery
2018-05-03 15:43:09 -07:00
malloc_stats.cc
Detect if Jemalloc is linked with the binary (#4844)
2019-01-03 16:30:12 -08:00
malloc_stats.h
Change RocksDB License
2017-07-15 16:11:23 -07:00
manual_compaction_test.cc
Per-thread unique test db names (#4135)
2018-07-13 17:27:39 -07:00
memtable_list_test.cc
Use correct FileMeta for atomic flush result install (#4932)
2019-01-31 14:49:51 -08:00
memtable_list.cc
Use correct FileMeta for atomic flush result install (#4932)
2019-01-31 14:49:51 -08:00
memtable_list.h
Use correct FileMeta for atomic flush result install (#4932)
2019-01-31 14:49:51 -08:00
memtable.cc
Disallow customized hash function in DynamicBloom (#4915)
2019-01-24 10:34:30 -08:00
memtable.h
Refactor atomic flush result installation to MANIFEST (#4791)
2019-01-03 20:56:24 -08:00
merge_context.h
Remove v1 RangeDelAggregator (#4778)
2018-12-17 17:33:46 -08:00
merge_helper_test.cc
Allow full merge when root of history for a key is reached (#4909)
2019-01-23 21:46:10 -08:00
merge_helper.cc
Fix analyze error on possible un-initialized value (#4937)
2019-02-01 09:41:27 -08:00
merge_helper.h
Remove v1 RangeDelAggregator (#4778)
2018-12-17 17:33:46 -08:00
merge_operator.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
merge_test.cc
Update all unique/shared_ptr instances to be qualified with namespace std (#4638)
2018-11-09 11:19:58 -08:00
obsolete_files_test.cc
Modify verification logic of ObsoleteOptionsFileTest (#4218)
2018-08-03 13:57:40 -07:00
options_file_test.cc
Per-thread unique test db names (#4135)
2018-07-13 17:27:39 -07:00
perf_context_test.cc
Allow copy for PerfContext objects (#4919)
2019-02-05 14:29:08 -08:00
pinned_iterators_manager.h
Change RocksDB License
2017-07-15 16:11:23 -07:00
plain_table_db_test.cc
Remove PlainTable's feature store_index_in_file (#4914)
2019-01-28 12:50:22 -08:00
pre_release_callback.h
Fix pre_release callback argument list.
2018-04-05 11:12:16 -07:00
prefix_test.cc
Per-thread unique test db names (#4135)
2018-07-13 17:27:39 -07:00
range_del_aggregator_bench.cc
Fix Windows broken build error due to non-const override (#4798)
2018-12-19 13:29:51 -08:00
range_del_aggregator_test.cc
Remove v1 RangeDelAggregator (#4778)
2018-12-17 17:33:46 -08:00
range_del_aggregator.cc
Remove stale TODO (#4800)
2018-12-19 15:45:37 -08:00
range_del_aggregator.h
Fix unused member compile error
2018-12-18 14:28:42 -08:00
range_tombstone_fragmenter_test.cc
Prepare FragmentedRangeTombstoneIterator for use in compaction (#4740)
2018-12-11 12:10:48 -08:00
range_tombstone_fragmenter.cc
Add compaction logic to RangeDelAggregatorV2 (#4758)
2018-12-17 13:20:51 -08:00
range_tombstone_fragmenter.h
Add compaction logic to RangeDelAggregatorV2 (#4758)
2018-12-17 13:20:51 -08:00
read_callback.h
WriteUnPrepared Txn: Disable seek to snapshot optimization (#3955)
2018-06-27 12:23:07 -07:00
repair_test.cc
Acquire lock on DB LOCK file before starting repair. (#4435)
2018-10-12 10:41:54 -07:00
repair.cc
Add compaction logic to RangeDelAggregatorV2 (#4758)
2018-12-17 13:20:51 -08:00
snapshot_checker.h
WritePrepared: fix issue with snapshot released during compaction (#4858)
2019-01-16 09:55:32 -08:00
snapshot_impl.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
snapshot_impl.h
Remove duplicates from SnapshotList::GetAll (#4860)
2019-01-09 16:25:42 -08:00
table_cache.cc
Introduce a CPU time counter in perf_context (#4741)
2018-12-20 12:03:44 -08:00
table_cache.h
Preload some files even if options.max_open_files (#3340)
2018-12-28 18:02:28 -08:00
table_properties_collector_test.cc
Update all unique/shared_ptr instances to be qualified with namespace std (#4638)
2018-11-09 11:19:58 -08:00
table_properties_collector.cc
Promote rocksdb.{deleted.keys,merge.operands} to main table properties (#4594)
2018-10-30 15:34:27 -07:00
table_properties_collector.h
Promote rocksdb.{deleted.keys,merge.operands} to main table properties (#4594)
2018-10-30 15:34:27 -07:00
transaction_log_impl.cc
Update all unique/shared_ptr instances to be qualified with namespace std (#4638)
2018-11-09 11:19:58 -08:00
transaction_log_impl.h
Update all unique/shared_ptr instances to be qualified with namespace std (#4638)
2018-11-09 11:19:58 -08:00
version_builder_test.cc
Remove random writes from SST file ingestion (#4172)
2018-07-27 16:12:23 -07:00
version_builder.cc
Preload some files even if options.max_open_files (#3340)
2018-12-28 18:02:28 -08:00
version_builder.h
Preload some files even if options.max_open_files (#3340)
2018-12-28 18:02:28 -08:00
version_edit_test.cc
Update recovery code for version edits group commit. (#3945)
2018-08-20 14:58:00 -07:00
version_edit.cc
Add a placeholder in manifest indicating ignorable record (#4960)
2019-02-08 11:33:11 -08:00
version_edit.h
Update recovery code for version edits group commit. (#3945)
2018-08-20 14:58:00 -07:00
version_set_test.cc
Refactor atomic flush result installation to MANIFEST (#4791)
2019-01-03 20:56:24 -08:00
version_set.cc
Add a new CPU time counter to compaction report (#4889)
2019-01-29 17:24:00 -08:00
version_set.h
Remove v1 RangeDelAggregator (#4778)
2018-12-17 17:33:46 -08:00
wal_manager_test.cc
Update all unique/shared_ptr instances to be qualified with namespace std (#4638)
2018-11-09 11:19:58 -08:00
wal_manager.cc
Update all unique/shared_ptr instances to be qualified with namespace std (#4638)
2018-11-09 11:19:58 -08:00
wal_manager.h
Fix memleak when DB::DeleteFile()
2018-01-11 18:57:33 -08:00
write_batch_base.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
write_batch_internal.h
WriteUnPrepared: Add new WAL marker kTypeBeginUnprepareXID (#4069)
2018-06-28 18:58:29 -07:00
write_batch_test.cc
Clean up FragmentedRangeTombstoneList (#4692)
2018-11-28 15:29:02 -08:00
write_batch.cc
Update all unique/shared_ptr instances to be qualified with namespace std (#4638)
2018-11-09 11:19:58 -08:00
write_callback_test.cc
Per-thread unique test db names (#4135)
2018-07-13 17:27:39 -07:00
write_callback.h
Change RocksDB License
2017-07-15 16:11:23 -07:00
write_controller_test.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
write_controller.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
write_controller.h
Change RocksDB License
2017-07-15 16:11:23 -07:00
write_thread.cc
Add more sync point to fix flaky test GroupCommitTest
2018-11-07 14:07:53 -08:00
write_thread.h
Fix skip WAL for whole write_group when leader's callback fail (#4838)
2019-01-03 12:40:42 -08:00