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Zhongyi Xie c4f5d0aa15 add GetStatsHistory to retrieve stats snapshots (#4748) 
Summary:
This PR adds public `GetStatsHistory` API to retrieve stats history in the form of an std map. The key of the map is the timestamp in microseconds when the stats snapshot is taken, the value is another std map from stats name to stats value (stored in std string). Two DBOptions are introduced: `stats_persist_period_sec` (default 10 minutes) controls the intervals between two snapshots are taken; `max_stats_history_count` (default 10) controls the max number of history snapshots to keep in memory. RocksDB will stop collecting stats snapshots if `stats_persist_period_sec` is set to 0.

(This PR is the in-memory part of https://github.com/facebook/rocksdb/pull/4535)
Pull Request resolved: https://github.com/facebook/rocksdb/pull/4748

Differential Revision: D13961471

Pulled By: miasantreble

fbshipit-source-id: ac836d401ecb84ea92216bf9966f969dedf4ad04
2019-02-20 15:52:54 -08:00
..
builder.cc Dictionary compression for files written by SstFileWriter (#4978) 2019-02-14 11:23:55 -08:00
builder.h Dictionary compression for files written by SstFileWriter (#4978) 2019-02-14 11:23:55 -08:00
c.cc Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -08:00
c_test.c Get CompactionJobInfo from CompactFiles 2018-12-13 14:21:24 -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
column_family_test.cc Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -08:00
compact_files_test.cc Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -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.cc Dictionary compression for files written by SstFileWriter (#4978) 2019-02-14 11:23:55 -08:00
compaction.h Truncate range tombstones by leveraging InternalKeys (#4432) 2018-10-09 15:19:38 -07:00
compaction_iteration_stats.h add counter for deletion dropping optimization 2017-08-19 14:10:08 -07:00
compaction_iterator.cc WritePrepared: relax assert in compaction iterator (#4969) 2019-02-11 15:01:46 -08:00
compaction_iterator.h Deprecate CompactionFilter::IgnoreSnapshots() = false (#4954) 2019-02-07 16:57:33 -08:00
compaction_iterator_test.cc Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -08:00
compaction_job.cc Dictionary compression for files written by SstFileWriter (#4978) 2019-02-14 11:23:55 -08:00
compaction_job.h Remove v1 RangeDelAggregator (#4778) 2018-12-17 17:33:46 -08:00
compaction_job_stats_test.cc Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -08:00
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_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_picker_fifo.cc Deprecate ttl option from CompactionOptionsFIFO (#4965) 2019-02-15 09:51:41 -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 Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -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
comparator_db_test.cc Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -08:00
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 Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -08:00
cuckoo_table_db_test.cc Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -08:00
db_basic_test.cc Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -08:00
db_blob_index_test.cc fix lite build 2017-10-17 08:57:09 -07:00
db_block_cache_test.cc Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -08:00
db_bloom_filter_test.cc add whole key bloom filter support in memtables (#4985) 2019-02-19 12:15:39 -08:00
db_compaction_filter_test.cc Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -08:00
db_compaction_test.cc Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -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.cc add GetStatsHistory to retrieve stats snapshots (#4748) 2019-02-20 15:52:54 -08:00
db_impl.h add GetStatsHistory to retrieve stats snapshots (#4748) 2019-02-20 15:52:54 -08:00
db_impl_compaction_flush.cc Avoid fsync on the same directory in atomic flush (#4817) 2019-02-12 12:28:36 -08:00
db_impl_debug.cc add GetStatsHistory to retrieve stats snapshots (#4748) 2019-02-20 15:52:54 -08:00
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 Header logger should call LogHeader() (#4980) 2019-02-15 16:59:36 -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_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.cc Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -08:00
db_iter.h Remove v1 RangeDelAggregator (#4778) 2018-12-17 17:33:46 -08:00
db_iter_stress_test.cc Move prefix_extractor to MutableCFOptions 2018-05-21 14:43:11 -07:00
db_iter_test.cc Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -08:00
db_iterator_test.cc Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -08:00
db_log_iter_test.cc Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -08:00
db_memtable_test.cc Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -08:00
db_merge_operator_test.cc Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -08:00
db_options_test.cc add GetStatsHistory to retrieve stats snapshots (#4748) 2019-02-20 15:52:54 -08:00
db_properties_test.cc Deprecate ttl option from CompactionOptionsFIFO (#4965) 2019-02-15 09:51:41 -08:00
db_range_del_test.cc Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -08:00
db_sst_test.cc Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -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_test.cc Deprecate ttl option from CompactionOptionsFIFO (#4965) 2019-02-15 09:51:41 -08:00
db_test2.cc Temporarily Disable DBTest2.PresetCompressionDict (#5003) 2019-02-19 14:44:12 -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_universal_compaction_test.cc Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -08:00
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.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
dbformat_test.cc Relax VersionStorageInfo::GetOverlappingInputs check (#4050) 2018-07-13 17:42:38 -07:00
deletefile_test.cc Per-thread unique test db names (#4135) 2018-07-13 17:27:39 -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
error_handler_test.cc Fix regression test failures introduced by PR #4164 (#4375) 2018-09-17 13:14:07 -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 Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -08:00
external_sst_file_ingestion_job.cc Atomic ingest (#4895) 2019-02-12 19:16:17 -08:00
external_sst_file_ingestion_job.h Atomic ingest (#4895) 2019-02-12 19:16:17 -08:00
external_sst_file_test.cc add whole key bloom filter support in memtables (#4985) 2019-02-19 12:15:39 -08:00
fault_injection_test.cc Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -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
file_indexer_test.cc Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -08:00
filename_test.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
flush_job.cc flush_job logs data size too (#4979) 2019-02-15 16:33:19 -08:00
flush_job.h Add support to flush multiple CFs atomically (#4262) 2018-10-15 20:01:17 -07:00
flush_job_test.cc Use correct FileMeta for atomic flush result install (#4932) 2019-01-31 14:49:51 -08:00
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.cc Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -08:00
forward_iterator.h Comment out unused variables 2018-03-05 13:13:41 -08:00
forward_iterator_bench.cc Per-thread unique test db names (#4135) 2018-07-13 17:27:39 -07:00
in_memory_stats_history.cc add GetStatsHistory to retrieve stats snapshots (#4748) 2019-02-20 15:52:54 -08:00
in_memory_stats_history.h add GetStatsHistory to retrieve stats snapshots (#4748) 2019-02-20 15:52:54 -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 Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -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 Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -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 Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -08:00
memtable.cc add whole key bloom filter support in memtables (#4985) 2019-02-19 12:15:39 -08:00
memtable.h add whole key bloom filter support in memtables (#4985) 2019-02-19 12:15:39 -08:00
memtable_list.cc Avoid using kInAtomicGroup tag for single-cf op (#4981) 2019-02-13 18:33:42 -08:00
memtable_list.h Use correct FileMeta for atomic flush result install (#4932) 2019-01-31 14:49:51 -08:00
memtable_list_test.cc Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -08:00
merge_context.h Remove v1 RangeDelAggregator (#4778) 2018-12-17 17:33:46 -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_helper_test.cc Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -08:00
merge_operator.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
merge_test.cc Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -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 Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -08:00
pre_release_callback.h Fix pre_release callback argument list. 2018-04-05 11:12:16 -07:00
prefix_test.cc Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -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_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_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
range_tombstone_fragmenter_test.cc Prepare FragmentedRangeTombstoneIterator for use in compaction (#4740) 2018-12-11 12:10:48 -08:00
read_callback.h WriteUnPrepared Txn: Disable seek to snapshot optimization (#3955) 2018-06-27 12:23:07 -07:00
repair.cc Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -08:00
repair_test.cc Acquire lock on DB LOCK file before starting repair. (#4435) 2018-10-12 10:41:54 -07:00
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.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
table_properties_collector_test.cc Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -08:00
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.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_builder_test.cc Apply modernize-use-override (3) 2019-02-19 13:39:49 -08:00
version_edit.cc Add a placeholder in manifest indicating ignorable record (#4960) 2019-02-08 11:33:11 -08:00
version_edit.h Add a unit test to Ignorable manfiest record (#4964) 2019-02-11 11:20:24 -08:00
version_edit_test.cc Add a unit test to Ignorable manfiest record (#4964) 2019-02-11 11:20:24 -08:00
version_set.cc Apply modernize-use-override (3) 2019-02-19 13:39:49 -08:00
version_set.h Remove v1 RangeDelAggregator (#4778) 2018-12-17 17:33:46 -08:00
version_set_test.cc Apply modernize-use-override (3) 2019-02-19 13:39:49 -08:00
wal_manager.cc Apply modernize-use-override (3) 2019-02-19 13:39:49 -08:00
wal_manager.h Fix memleak when DB::DeleteFile() 2018-01-11 18:57:33 -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
write_batch.cc Apply modernize-use-override (3) 2019-02-19 13:39:49 -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 Apply modernize-use-override (3) 2019-02-19 13:39:49 -08:00
write_callback.h Change RocksDB License 2017-07-15 16:11:23 -07:00
write_callback_test.cc Apply modernize-use-override (3) 2019-02-19 13:39:49 -08:00
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_controller_test.cc Apply modernize-use-override (3) 2019-02-19 13:39:49 -08:00
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