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Andrew Kryczka 6cc9aef162 New API for background work in single thread pool 
Summary:
Previously users could set `max_background_flushes=0` to force rocksdb to use a single thread pool for both background flushes and compactions. That'll no longer be possible since I'm going to deprecate `max_background_flushes` and `max_background_compactions` in favor of a single option. This diff introduces a new way to force a single thread pool: when high-pri pool has zero threads, all background jobs will be submitted to low-pri pool.

Note the majority of the code change is adding `Env::GetBackgroundThreads()`, which is necessary to check whether the user has provided a zero-sized thread pool.
Closes https://github.com/facebook/rocksdb/pull/2204

Differential Revision: D4936256

Pulled By: ajkr

fbshipit-source-id: 929a07a0c0705f7766f5339cd013ff74e90d6e01
2017-05-23 11:12:27 -07:00
..
builder.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
builder.h Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
c_test.c add Transactions and Checkpoint to C API 2017-05-16 22:59:43 -07:00
c.cc add Transactions and Checkpoint to C API 2017-05-16 22:59:43 -07:00
column_family_test.cc column_family_test: EnvCounter::num_new_writable_file_ to be atomic 2017-05-18 13:56:12 -07:00
column_family.cc Support ingest_behind for IngestExternalFile 2017-05-17 11:42:42 -07:00
column_family.h Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
compact_files_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
compacted_db_impl.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
compacted_db_impl.h Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
compaction_iteration_stats.h Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
compaction_iterator_test.cc Support ingest_behind for IngestExternalFile 2017-05-17 11:42:42 -07:00
compaction_iterator.cc Support ingest_behind for IngestExternalFile 2017-05-17 11:42:42 -07:00
compaction_iterator.h Support ingest_behind for IngestExternalFile 2017-05-17 11:42:42 -07:00
compaction_job_stats_test.cc New API for background work in single thread pool 2017-05-23 11:12:27 -07:00
compaction_job_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
compaction_job.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
compaction_job.h Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
compaction_picker_test.cc Support ingest_behind for IngestExternalFile 2017-05-17 11:42:42 -07:00
compaction_picker_universal.cc Support ingest_behind for IngestExternalFile 2017-05-17 11:42:42 -07:00
compaction_picker_universal.h Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
compaction_picker.cc Support ingest_behind for IngestExternalFile 2017-05-17 11:42:42 -07:00
compaction_picker.h Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
compaction.cc Avoid calling fallocate with UINT64_MAX 2017-05-04 17:43:22 -07:00
compaction.h Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
comparator_db_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
convenience.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
corruption_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
cuckoo_table_db_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
db_basic_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
db_block_cache_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
db_bloom_filter_test.cc dont skip IO for filter blocks 2017-05-09 09:52:02 -07:00
db_compaction_filter_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
db_compaction_test.cc New API for background work in single thread pool 2017-05-23 11:12:27 -07:00
db_dynamic_level_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
db_filesnapshot.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
db_flush_test.cc New API for background work in single thread pool 2017-05-23 11:12:27 -07:00
db_impl_compaction_flush.cc New API for background work in single thread pool 2017-05-23 11:12:27 -07:00
db_impl_debug.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
db_impl_experimental.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
db_impl_files.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
db_impl_open.cc disable direct reads for log and manifest and add direct io to tests 2017-05-22 18:41:28 -07:00
db_impl_readonly.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
db_impl_readonly.h Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
db_impl_write.cc New WriteImpl to pipeline WAL/memtable write 2017-05-19 14:26:42 -07:00
db_impl.cc New WriteImpl to pipeline WAL/memtable write 2017-05-19 14:26:42 -07:00
db_impl.h New WriteImpl to pipeline WAL/memtable write 2017-05-19 14:26:42 -07:00
db_info_dumper.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
db_info_dumper.h Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
db_inplace_update_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
db_io_failure_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
db_iter_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
db_iter.cc Suppress clang-analyzer false positive 2017-05-19 10:56:28 -07:00
db_iter.h Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
db_iterator_test.cc disable direct reads for log and manifest and add direct io to tests 2017-05-22 18:41:28 -07:00
db_log_iter_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
db_memtable_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
db_merge_operator_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
db_options_test.cc Max open files mutable 2017-05-03 21:13:14 -07:00
db_properties_test.cc New API for background work in single thread pool 2017-05-23 11:12:27 -07:00
db_range_del_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
db_sst_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
db_statistics_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
db_table_properties_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
db_tailing_iter_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
db_test2.cc fix readampbitmap tests 2017-05-10 12:29:23 -07:00
db_test_util.cc disable direct reads for log and manifest and add direct io to tests 2017-05-22 18:41:28 -07:00
db_test_util.h disable direct reads for log and manifest and add direct io to tests 2017-05-22 18:41:28 -07:00
db_test.cc New API for background work in single thread pool 2017-05-23 11:12:27 -07:00
db_universal_compaction_test.cc Fixed some spelling mistakes 2017-05-17 23:12:36 -07:00
db_wal_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
dbformat_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
dbformat.cc do not read next datablock if upperbound is reached 2017-05-05 23:20:01 -07:00
dbformat.h Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
deletefile_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
event_helpers.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
event_helpers.h Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
experimental.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
external_sst_file_basic_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
external_sst_file_ingestion_job.cc Support ingest_behind for IngestExternalFile 2017-05-17 11:42:42 -07:00
external_sst_file_ingestion_job.h Support ingest_behind for IngestExternalFile 2017-05-17 11:42:42 -07:00
external_sst_file_test.cc Support ingest_behind for IngestExternalFile 2017-05-17 11:42:42 -07:00
fault_injection_test.cc Suppress clang-analyzer false positive 2017-05-19 10:56:28 -07:00
file_indexer_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
file_indexer.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
file_indexer.h Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
filename_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
flush_job_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
flush_job.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
flush_job.h Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
flush_scheduler.cc New WriteImpl to pipeline WAL/memtable write 2017-05-19 14:26:42 -07:00
flush_scheduler.h Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
forward_iterator_bench.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
forward_iterator.cc do not read next datablock if upperbound is reached 2017-05-05 23:20:01 -07:00
forward_iterator.h Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
internal_stats.cc Fix rocksdb.estimate-num-keys DB property underflow 2017-05-23 10:42:59 -07:00
internal_stats.h Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
job_context.h Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
listener_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
log_format.h Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
log_reader.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
log_reader.h Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
log_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
log_writer.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
log_writer.h Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
managed_iterator.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
managed_iterator.h Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
manual_compaction_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
memtable_list_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
memtable_list.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
memtable_list.h Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
memtable.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
memtable.h Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
merge_context.h Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
merge_helper_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
merge_helper.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
merge_helper.h Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
merge_operator.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
merge_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
options_file_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
perf_context_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
pinned_iterators_manager.h Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
plain_table_db_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
prefix_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
range_del_aggregator_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
range_del_aggregator.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
range_del_aggregator.h Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
repair_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
repair.cc disable direct reads for log and manifest and add direct io to tests 2017-05-22 18:41:28 -07:00
snapshot_impl.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
snapshot_impl.h Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
table_cache.cc do not read next datablock if upperbound is reached 2017-05-05 23:20:01 -07:00
table_cache.h max_open_files dynamic set, follow up 2017-05-04 10:42:45 -07:00
table_properties_collector_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
table_properties_collector.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
table_properties_collector.h Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
transaction_log_impl.cc disable direct reads for log and manifest and add direct io to tests 2017-05-22 18:41:28 -07:00
transaction_log_impl.h Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
version_builder_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
version_builder.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
version_builder.h Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
version_edit_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
version_edit.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
version_edit.h Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
version_set_test.cc Set lower-bound on dynamic level sizes 2017-05-04 18:16:12 -07:00
version_set.cc disable direct reads for log and manifest and add direct io to tests 2017-05-22 18:41:28 -07:00
version_set.h Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
wal_manager_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
wal_manager.cc disable direct reads for log and manifest and add direct io to tests 2017-05-22 18:41:28 -07:00
wal_manager.h Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
write_batch_base.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
write_batch_internal.h New WriteImpl to pipeline WAL/memtable write 2017-05-19 14:26:42 -07:00
write_batch_test.cc support PopSavePoint for WriteBatch 2017-05-03 10:57:45 -07:00
write_batch.cc New WriteImpl to pipeline WAL/memtable write 2017-05-19 14:26:42 -07:00
write_callback_test.cc Fix data races caught by tsan 2017-05-22 10:27:23 -07:00
write_callback.h Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
write_controller_test.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
write_controller.cc Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
write_controller.h Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
write_thread.cc New WriteImpl to pipeline WAL/memtable write 2017-05-19 14:26:42 -07:00
write_thread.h New WriteImpl to pipeline WAL/memtable write 2017-05-19 14:26:42 -07:00