rocksdb/db
Yanqin Jin 09fcf4fb6b Fix a potential bug scheduling unnecessary threads (#6104)
Summary:
RocksDB should decrement the counter `unscheduled_flushes_` as soon as the bg
thread is scheduled. Before this fix, the counter is decremented only when the
bg thread starts and picks an element from the flush queue. This may cause more
than necessary bg threads to be scheduled. Not a correctness issue, but may
affect flush thread count.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/6104

Test Plan:
```
make check
```

Differential Revision: D18735584

Pulled By: riversand963

fbshipit-source-id: d36272d4a08a494aeeab6200a3cff7a3d1a2dc10
2019-11-27 14:48:49 -08:00
..
compaction Support options.max_open_files = -1 with periodic_compaction_seconds (#6090) 2019-11-26 21:39:56 -08:00
db_impl Fix a potential bug scheduling unnecessary threads (#6104) 2019-11-27 14:48:49 -08:00
arena_wrapped_db_iter.cc Apply formatter on recent 45 commits. (#5827) 2019-09-19 12:34:17 -07:00
arena_wrapped_db_iter.h Refactor ArenaWrappedDBIter into separate files (#5801) 2019-09-13 13:50:43 -07:00
blob_index.h Support decoding blob indexes in sst_dump (#5926) 2019-10-17 19:36:54 -07:00
builder.cc BlobDB GC: add SST <-> oldest blob file referenced mapping (#5903) 2019-10-14 15:21:01 -07:00
builder.h Move some logging related files to logging/ (#5387) 2019-05-31 17:23:59 -07:00
c_test.c Add a limited support for iteration bounds into BaseDeltaIterator (#5403) 2019-11-05 11:39:36 -08:00
c.cc Remove snap_refresh_nanos option (#5826) 2019-09-18 20:26:04 -07:00
column_family_test.cc Refactor trimming logic for immutable memtables (#5022) 2019-08-23 13:55:34 -07:00
column_family.cc Make default value of options.ttl to be 30 days when it is supported. (#6073) 2019-11-26 10:00:32 -08:00
column_family.h Bump up memory order of ref counting of ColumnFamilyData (#5723) 2019-08-20 10:34:33 -07:00
compact_files_test.cc Use aggregate initialization for FlushJobInfo/CompactionJobInfo (#5997) 2019-11-01 11:46:19 -07:00
compacted_db_impl.cc New API to get all merge operands for a Key (#5604) 2019-08-06 14:26:44 -07:00
compacted_db_impl.h Use delete to disable automatic generated methods. (#5009) 2019-09-11 18:09:00 -07:00
comparator_db_test.cc Move some memory related files from util/ to memory/ (#5382) 2019-05-30 17:44:09 -07:00
convenience.cc Do readahead in VerifyChecksum() (#5713) 2019-08-16 16:42:56 -07:00
corruption_test.cc Fix VerifyChecksum readahead with mmap mode (#5945) 2019-10-21 11:38:30 -07:00
cuckoo_table_db_test.cc Fix memory leak on error opening PlainTable (#5951) 2019-10-21 16:53:06 -07:00
db_basic_test.cc Fix test failure in LITE mode (#6050) 2019-11-19 10:13:24 -08:00
db_blob_index_test.cc Disable blob iterator test with max_sequential_skip_in_iterations==0 in LITE mode (#6052) 2019-11-19 15:02:41 -08:00
db_block_cache_test.cc Charge block cache for cache internal usage (#5797) 2019-09-16 15:26:21 -07:00
db_bloom_filter_test.cc Expose and elaborate FilterBuildingContext (#6088) 2019-11-26 18:24:10 -08:00
db_compaction_filter_test.cc upgrade gtest 1.7.0 => 1.8.1 for json result writing 2019-09-09 11:24:11 -07:00
db_compaction_test.cc Support options.max_open_files = -1 with periodic_compaction_seconds (#6090) 2019-11-26 21:39:56 -08:00
db_dynamic_level_test.cc Fix flaky DBDynamicLevelTest.DynamicLevelMaxBytesBase2 (#4668) 2018-11-12 16:42:16 -08:00
db_encryption_test.cc Fix EncryptedEnv assert (#5735) 2019-09-05 17:21:42 -07:00
db_filesnapshot.cc Apply formatter to recent 200+ commits. (#5830) 2019-09-20 12:04:26 -07:00
db_flush_test.cc Fix a potential bug scheduling unnecessary threads (#6104) 2019-11-27 14:48:49 -08:00
db_info_dumper.cc Apply formatter to recent 200+ commits. (#5830) 2019-09-20 12:04:26 -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 some memory related files from util/ to memory/ (#5382) 2019-05-30 17:44:09 -07:00
db_iter_test.cc Move some memory related files from util/ to memory/ (#5382) 2019-05-30 17:44:09 -07:00
db_iter.cc Fix blob context when db_iter uses seek (#6051) 2019-11-19 11:39:02 -08:00
db_iter.h Apply formatter on recent 45 commits. (#5827) 2019-09-19 12:34:17 -07:00
db_iterator_test.cc Fix data block upper bound checking for iterator reseek case (#5883) 2019-10-03 20:53:29 -07:00
db_log_iter_test.cc Apply modernize-use-override (2nd iteration) 2019-02-14 14:41:36 -08:00
db_memtable_test.cc upgrade gtest 1.7.0 => 1.8.1 for json result writing 2019-09-09 11:24:11 -07:00
db_merge_operand_test.cc New API to get all merge operands for a Key (#5604) 2019-08-06 14:26:44 -07:00
db_merge_operator_test.cc New API to get all merge operands for a Key (#5604) 2019-08-06 14:26:44 -07:00
db_options_test.cc Make default value of options.ttl to be 30 days when it is supported. (#6073) 2019-11-26 10:00:32 -08:00
db_properties_test.cc Refactor/consolidate legacy Bloom implementation details (#5784) 2019-09-16 16:17:09 -07:00
db_range_del_test.cc Add test showing range tombstones can create excessively large compactions (#5956) 2019-10-24 11:08:44 -07:00
db_sst_test.cc Fix bugs in WAL trash file handling (#5520) 2019-07-06 21:07:32 -07:00
db_statistics_test.cc Make statistics's stats_level change thread-safe (#5030) 2019-03-01 10:42:09 -08:00
db_table_properties_test.cc upgrade gtest 1.7.0 => 1.8.1 for json result writing 2019-09-09 11:24:11 -07:00
db_tailing_iter_test.cc Remove managed iterator 2018-07-17 14:43:18 -07:00
db_test_util.cc Batched MultiGet API for multiple column families (#5816) 2019-11-12 13:52:55 -08:00
db_test_util.h Expose and elaborate FilterBuildingContext (#6088) 2019-11-26 18:24:10 -08:00
db_test.cc Support options.max_open_files = -1 with periodic_compaction_seconds (#6090) 2019-11-26 21:39:56 -08:00
db_test2.cc Fix a regression bug on total order seek with prefix enabled and range delete (#6028) 2019-11-13 10:11:34 -08:00
db_universal_compaction_test.cc Make default value of options.ttl to be 30 days when it is supported. (#6073) 2019-11-26 10:00:32 -08:00
db_wal_test.cc Adding DB::GetCurrentWalFile() API as a repliction/backup helper (#5765) 2019-09-04 12:10:17 -07:00
db_write_test.cc Move some memory related files from util/ to memory/ (#5382) 2019-05-30 17:44:09 -07:00
dbformat_test.cc Move some logging related files to logging/ (#5387) 2019-05-31 17:23:59 -07:00
dbformat.cc Apply formatter to recent 200+ commits. (#5830) 2019-09-20 12:04:26 -07:00
dbformat.h Use delete to disable automatic generated methods. (#5009) 2019-09-11 18:09:00 -07:00
deletefile_test.cc Refactor deletefile_test.cc (#5822) 2019-09-18 16:58:21 -07:00
error_handler_test.cc Move test related files under util/ to test_util/ (#5377) 2019-05-30 11:25:51 -07:00
error_handler.cc Make format 2019-05-31 15:24:43 -07:00
error_handler.h Fix typos in comments (#4456) 2018-10-04 20:46:50 -07:00
event_helpers.cc BlobDB GC: add SST <-> oldest blob file referenced mapping (#5903) 2019-10-14 15:21:01 -07:00
event_helpers.h BlobDB GC: add SST <-> oldest blob file referenced mapping (#5903) 2019-10-14 15:21:01 -07:00
experimental.cc Organizing rocksdb/db directory 2019-05-31 11:57:01 -07:00
external_sst_file_basic_test.cc Allow ingesting overlapping files (#5539) 2019-09-13 14:49:47 -07:00
external_sst_file_ingestion_job.cc Support options.max_open_files = -1 with periodic_compaction_seconds (#6090) 2019-11-26 21:39:56 -08:00
external_sst_file_ingestion_job.h Allow ingesting overlapping files (#5539) 2019-09-13 14:49:47 -07:00
external_sst_file_test.cc Fix IngestExternalFile's bug with two_write_queue (#5976) 2019-11-15 14:00:37 -08:00
fault_injection_test.cc Move some logging related files to logging/ (#5387) 2019-05-31 17:23:59 -07:00
file_indexer_test.cc Move some memory related files from util/ to memory/ (#5382) 2019-05-30 17:44:09 -07:00
file_indexer.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
file_indexer.h Move some memory related files from util/ to memory/ (#5382) 2019-05-30 17:44:09 -07:00
filename_test.cc Move some logging related files to logging/ (#5387) 2019-05-31 17:23:59 -07:00
flush_job_test.cc Fix OnFlushCompleted fired before flush result write to MANIFEST (#5908) 2019-10-16 10:40:23 -07:00
flush_job.cc Support options.max_open_files = -1 with periodic_compaction_seconds (#6090) 2019-11-26 21:39:56 -08:00
flush_job.h Fix OnFlushCompleted fired before flush result write to MANIFEST (#5908) 2019-10-16 10:40:23 -07:00
flush_scheduler.cc Refactor trimming logic for immutable memtables (#5022) 2019-08-23 13:55:34 -07:00
flush_scheduler.h Refactor trimming logic for immutable memtables (#5022) 2019-08-23 13:55:34 -07:00
forward_iterator_bench.cc simplify include directive involving inttypes (#5402) 2019-06-06 13:56:07 -07:00
forward_iterator.cc Add more callers for table reader. (#5454) 2019-06-20 14:31:48 -07:00
forward_iterator.h Move some memory related files from util/ to memory/ (#5382) 2019-05-30 17:44:09 -07:00
import_column_family_job.cc Support options.max_open_files = -1 with periodic_compaction_seconds (#6090) 2019-11-26 21:39:56 -08:00
import_column_family_job.h Apply formatter to recent 200+ commits. (#5830) 2019-09-20 12:04:26 -07:00
import_column_family_test.cc Apply formatter to recent 200+ commits. (#5830) 2019-09-20 12:04:26 -07:00
internal_stats.cc Apply formatter to recent 200+ commits. (#5830) 2019-09-20 12:04:26 -07:00
internal_stats.h Rename InternalDBStatsType enum names (#5779) 2019-09-06 17:31:10 -07:00
job_context.h WritePrepared: Fix visible key compacted out by compaction (#4883) 2019-01-15 21:34:38 -08:00
listener_test.cc Propagate SST and blob file numbers through the EventListener interface (#5962) 2019-10-24 14:44:15 -07:00
log_format.h Fix an inaccurate comment (#4315) 2018-08-24 18:13:20 -07:00
log_reader.cc Divide file_reader_writer.h and .cc (#5803) 2019-09-16 10:33:51 -07:00
log_reader.h Divide file_reader_writer.h and .cc (#5803) 2019-09-16 10:33:51 -07:00
log_test.cc Divide file_reader_writer.h and .cc (#5803) 2019-09-16 10:33:51 -07:00
log_writer.cc Divide file_reader_writer.h and .cc (#5803) 2019-09-16 10:33:51 -07:00
log_writer.h Use delete to disable automatic generated methods. (#5009) 2019-09-11 18:09:00 -07:00
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
lookup_key.h Avoid user key copying for Get/Put/Write with user-timestamp (#5502) 2019-07-25 15:27:39 -07:00
malloc_stats.cc Support jemalloc compiled with --with-jemalloc-prefix (#5521) 2019-07-02 12:07:01 -07:00
malloc_stats.h Change RocksDB License 2017-07-15 16:11:23 -07:00
manual_compaction_test.cc Move some memory related files from util/ to memory/ (#5382) 2019-05-30 17:44:09 -07:00
memtable_list_test.cc Fix OnFlushCompleted fired before flush result write to MANIFEST (#5908) 2019-10-16 10:40:23 -07:00
memtable_list.cc bugfix: MemTableList::RemoveOldMemTables invalid iterator after remov… (#6013) 2019-11-11 15:57:38 -08:00
memtable_list.h Fix OnFlushCompleted fired before flush result write to MANIFEST (#5908) 2019-10-16 10:40:23 -07:00
memtable.cc Misc hashing updates / upgrades (#5909) 2019-10-24 17:16:46 -07:00
memtable.h Fix OnFlushCompleted fired before flush result write to MANIFEST (#5908) 2019-10-16 10:40:23 -07:00
merge_context.h Introduce a new MultiGet batching implementation (#5011) 2019-04-11 14:28:26 -07:00
merge_helper_test.cc Move some memory related files from util/ to memory/ (#5382) 2019-05-30 17:44:09 -07:00
merge_helper.cc Fix merging range tombstone covering put during flush/compaction (#5406) 2019-06-04 10:24:14 -07:00
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 Make format 2019-05-31 15:24:43 -07:00
obsolete_files_test.cc Refactor ObsoleteFilesTest to inherit from DBTestBase (#5820) 2019-09-18 11:52:17 -07:00
options_file_test.cc Organizing rocksdb/db directory 2019-05-31 11:57:01 -07:00
perf_context_test.cc Move some memory related files from util/ to memory/ (#5382) 2019-05-30 17:44:09 -07:00
pinned_iterators_manager.h Change RocksDB License 2017-07-15 16:11:23 -07:00
plain_table_db_test.cc Fix memory leak on error opening PlainTable (#5951) 2019-10-21 16:53:06 -07:00
pre_release_callback.h WritePrepared: reduce prepared_mutex_ overhead (#5420) 2019-06-10 11:53:31 -07:00
prefix_test.cc Organizing rocksdb/db directory 2019-05-31 11:57:01 -07:00
range_del_aggregator_bench.cc Move some memory related files from util/ to memory/ (#5382) 2019-05-30 17:44:09 -07:00
range_del_aggregator_test.cc Move test related files under util/ to test_util/ (#5377) 2019-05-30 11:25:51 -07:00
range_del_aggregator.cc Organizing rocksdb/db directory 2019-05-31 11:57:01 -07:00
range_del_aggregator.h Organizing rocksdb/db directory 2019-05-31 11:57:01 -07:00
range_tombstone_fragmenter_test.cc Move test related files under util/ to test_util/ (#5377) 2019-05-30 11:25:51 -07:00
range_tombstone_fragmenter.cc Apply formatter to recent 200+ commits. (#5830) 2019-09-20 12:04:26 -07:00
range_tombstone_fragmenter.h Initialized pinned_pos_ and pinned_seq_pos_ in FragmentedRangeTombstoneIterator (#5720) 2019-09-05 17:30:29 -07:00
read_callback.h WriteUnPrepared: improve read your own write functionality (#5573) 2019-07-23 08:08:19 -07:00
repair_test.cc Organizing rocksdb/db directory 2019-05-31 11:57:01 -07:00
repair.cc Support options.max_open_files = -1 with periodic_compaction_seconds (#6090) 2019-11-26 21:39:56 -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 Refresh snapshot list during long compactions (2nd attempt) (#5278) 2019-05-03 17:30:22 -07:00
table_cache.cc Apply formatter to recent 200+ commits. (#5830) 2019-09-20 12:04:26 -07:00
table_cache.h Apply formatter to recent 200+ commits. (#5830) 2019-09-20 12:04:26 -07:00
table_properties_collector_test.cc Divide file_reader_writer.h and .cc (#5803) 2019-09-16 10:33:51 -07:00
table_properties_collector.cc Feature for sampling and reporting compressibility (#4842) 2019-03-18 12:15:34 -07:00
table_properties_collector.h Feature for sampling and reporting compressibility (#4842) 2019-03-18 12:15:34 -07:00
transaction_log_impl.cc Divide file_reader_writer.h and .cc (#5803) 2019-09-16 10:33:51 -07:00
transaction_log_impl.h reuse scratch buffer in transaction_log_reader (#5702) 2019-08-26 11:26:29 -07:00
trim_history_scheduler.cc Refactor trimming logic for immutable memtables (#5022) 2019-08-23 13:55:34 -07:00
trim_history_scheduler.h Refactor trimming logic for immutable memtables (#5022) 2019-08-23 13:55:34 -07:00
version_builder_test.cc Support options.max_open_files = -1 with periodic_compaction_seconds (#6090) 2019-11-26 21:39:56 -08:00
version_builder.cc save a few redundant container lookups (#5875) 2019-10-07 12:28:09 -07:00
version_builder.h Lower the risk for users to run options.force_consistency_checks = true (#5744) 2019-08-29 14:07:37 -07:00
version_edit_test.cc Support options.max_open_files = -1 with periodic_compaction_seconds (#6090) 2019-11-26 21:39:56 -08:00
version_edit.cc Support options.max_open_files = -1 with periodic_compaction_seconds (#6090) 2019-11-26 21:39:56 -08:00
version_edit.h Support options.max_open_files = -1 with periodic_compaction_seconds (#6090) 2019-11-26 21:39:56 -08:00
version_set_test.cc Support options.max_open_files = -1 with periodic_compaction_seconds (#6090) 2019-11-26 21:39:56 -08:00
version_set.cc Support options.max_open_files = -1 with periodic_compaction_seconds (#6090) 2019-11-26 21:39:56 -08:00
version_set.h Support periodic compaction in universal compaction (#5970) 2019-10-31 11:31:37 -07:00
wal_manager_test.cc Apply formatter to recent 200+ commits. (#5830) 2019-09-20 12:04:26 -07:00
wal_manager.cc Apply formatter to recent 200+ commits. (#5830) 2019-09-20 12:04:26 -07:00
wal_manager.h Adding DB::GetCurrentWalFile() API as a repliction/backup helper (#5765) 2019-09-04 12:10:17 -07:00
write_batch_base.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
write_batch_internal.h Add insert hints for each writebatch (#5728) 2019-09-12 17:15:18 -07:00
write_batch_test.cc upgrade gtest 1.7.0 => 1.8.1 for json result writing 2019-09-09 11:24:11 -07:00
write_batch.cc Apply formatter to recent 200+ commits. (#5830) 2019-09-20 12:04:26 -07:00
write_callback_test.cc WritePrepared: reduce prepared_mutex_ overhead (#5420) 2019-06-10 11:53:31 -07:00
write_callback.h Change RocksDB License 2017-07-15 16:11:23 -07:00
write_controller_test.cc Move test related files under util/ to test_util/ (#5377) 2019-05-30 11:25:51 -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 Option to make write group size configurable (#5759) 2019-09-11 18:28:33 -07:00
write_thread.h Option to make write group size configurable (#5759) 2019-09-11 18:28:33 -07:00