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anand76 e10570331d Support row cache with batched MultiGet (#5706) 
Summary:
This PR adds support for row cache in ```rocksdb::TableCache::MultiGet```.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/5706

Test Plan:
1. Unit tests in db_basic_test
2. db_bench results with batch size of 2 (```Get``` is faster than ```MultiGet``` for single key) -
Get -
readrandom   :       3.935 micros/op 254116 ops/sec;   28.1 MB/s (22870998 of 22870999 found)
MultiGet -
multireadrandom :       3.743 micros/op 267190 ops/sec; (24047998 of 24047998 found)

Command used -
TEST_TMPDIR=/dev/shm/multiget numactl -C 10  ./db_bench -use_existing_db=true -use_existing_keys=false -benchmarks="readtorowcache,[read|multiread]random" -write_buffer_size=16777216 -target_file_size_base=4194304 -max_bytes_for_level_base=16777216 -num=12000000 -reads=12000000 -duration=90 -threads=1 -compression_type=none -cache_size=4194304000 -row_cache_size=4194304000 -batch_size=2 -disable_auto_compactions=true -bloom_bits=10 -cache_index_and_filter_blocks=true -pin_l0_filter_and_index_blocks_in_cache=true -multiread_batched=true -multiread_stride=131072

Differential Revision: D17086297

Pulled By: anand1976

fbshipit-source-id: 85784378da913e05f1baf31ec1b4e7c9345e7f57
2019-08-28 16:11:56 -07:00
..
compaction
Disable snapshot refresh feature when snap_refresh_nanos is 0 (#5724)
2019-08-20 11:40:07 -07:00
db_impl
replace some reinterpret_cast with static_cast_with_check (#5740)
2019-08-27 10:59:11 -07:00
builder.cc
Add more callers for table reader. (#5454)
2019-06-20 14:31:48 -07:00
builder.h
Move some logging related files to logging/ (#5387)
2019-05-31 17:23:59 -07:00
c_test.c
Add C binding for secondary instance (#5505)
2019-06-27 08:58:54 -07:00
c.cc
Refactor trimming logic for immutable memtables (#5022)
2019-08-23 13:55:34 -07:00
column_family_test.cc
Refactor trimming logic for immutable memtables (#5022)
2019-08-23 13:55:34 -07:00
column_family.cc
Refactor trimming logic for immutable memtables (#5022)
2019-08-23 13:55:34 -07:00
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
Organizing rocksdb/db directory
2019-05-31 11:57:01 -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
Export Import sst files (#5495)
2019-07-17 12:27:14 -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
Do readahead in VerifyChecksum() (#5713)
2019-08-16 16:42:56 -07:00
cuckoo_table_db_test.cc
Organizing rocksdb/db directory
2019-05-31 11:57:01 -07:00
db_basic_test.cc
Support row cache with batched MultiGet (#5706)
2019-08-28 16:11:56 -07:00
db_blob_index_test.cc
New API to get all merge operands for a Key (#5604)
2019-08-06 14:26:44 -07:00
db_block_cache_test.cc
Move the uncompression dictionary object out of the block cache (#5584)
2019-07-23 16:01:44 -07:00
db_bloom_filter_test.cc
Unordered Writes (#5218)
2019-05-13 17:47:21 -07:00
db_compaction_filter_test.cc
Apply modernize-use-override (2nd iteration)
2019-02-14 14:41:36 -08:00
db_compaction_test.cc
Refactor trimming logic for immutable memtables (#5022)
2019-08-23 13:55:34 -07:00
db_dynamic_level_test.cc
Fix flaky DBDynamicLevelTest.DynamicLevelMaxBytesBase2 (#4668)
2018-11-12 16:42:16 -08:00
db_encryption_test.cc
Move test related files under util/ to test_util/ (#5377)
2019-05-30 11:25:51 -07:00
db_filesnapshot.cc
Add missing check before calling PurgeObsoleteFiles in EnableFileDeletions (#5448)
2019-06-13 14:43:13 -07:00
db_flush_test.cc
Ref and unref cfd before and after calling WaitForFlushMemTables (#5513)
2019-07-01 14:12:02 -07:00
db_info_dumper.cc
simplify include directive involving inttypes (#5402)
2019-06-06 13:56:07 -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
WriteUnPrepared: improve read your own write functionality (#5573)
2019-07-23 08:08:19 -07:00
db_iter.h
Make format
2019-05-31 15:24:43 -07:00
db_iterator_test.cc
Fix lower bound check error when iterate across file boundary (#5540)
2019-07-04 17:28:30 -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
Fix tsan complaint in ConcurrentMergeWrite test (#5308)
2019-05-15 11:21:48 -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
fix rocksdb lite and clang contrun test failures (#5477)
2019-06-17 21:16:29 -07:00
db_properties_test.cc
Refactor trimming logic for immutable memtables (#5022)
2019-08-23 13:55:34 -07:00
db_range_del_test.cc
Fix merging range tombstone covering put during flush/compaction (#5406)
2019-06-04 10:24:14 -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
Move test related files under util/ to test_util/ (#5377)
2019-05-30 11:25:51 -07:00
db_tailing_iter_test.cc
Remove managed iterator
2018-07-17 14:43:18 -07:00
db_test2.cc
Support loading custom objects in unit tests (#5676)
2019-08-09 15:12:08 -07:00
db_test_util.cc
exclude TEST_ENV_URI from rocksdb lite (#5686)
2019-08-10 19:15:05 -07:00
db_test_util.h
Support loading custom objects in unit tests (#5676)
2019-08-09 15:12:08 -07:00
db_test.cc
Refactor trimming logic for immutable memtables (#5022)
2019-08-23 13:55:34 -07:00
db_universal_compaction_test.cc
Move test related files under util/ to test_util/ (#5377)
2019-05-30 11:25:51 -07:00
db_wal_test.cc
Fix bugs in DBWALTest.kTolerateCorruptedTailRecords triggered by #5520 (#5550)
2019-07-09 11:18:32 -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
Avoid user key copying for Get/Put/Write with user-timestamp (#5502)
2019-07-25 15:27:39 -07:00
dbformat.h
Avoid user key copying for Get/Put/Write with user-timestamp (#5502)
2019-07-25 15:27:39 -07:00
deletefile_test.cc
Refactor trimming logic for immutable memtables (#5022)
2019-08-23 13:55:34 -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
Fix wrong info log printing for num_range_deletions (#5617)
2019-07-23 19:38:16 -07:00
event_helpers.h
Move some logging related files to logging/ (#5387)
2019-05-31 17:23:59 -07:00
experimental.cc
Organizing rocksdb/db directory
2019-05-31 11:57:01 -07:00
external_sst_file_basic_test.cc
Introduce IngestExternalFileOptions.verify_checksums_readahead_size (#5721)
2019-08-20 10:43:39 -07:00
external_sst_file_ingestion_job.cc
Introduce IngestExternalFileOptions.verify_checksums_readahead_size (#5721)
2019-08-20 10:43:39 -07:00
external_sst_file_ingestion_job.h
Fix IngestExternalFile overlapping check (#5649)
2019-08-14 21:02:28 -07:00
external_sst_file_test.cc
Fix IngestExternalFile overlapping check (#5649)
2019-08-14 21:02:28 -07:00
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
Integrate block cache tracer into db_impl (#5433)
2019-06-13 15:43:10 -07:00
flush_job.cc
simplify include directive involving inttypes (#5402)
2019-06-06 13:56:07 -07:00
flush_job.h
Move some logging related files to logging/ (#5387)
2019-05-31 17:23:59 -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
Fix IngestExternalFile overlapping check (#5649)
2019-08-14 21:02:28 -07:00
import_column_family_job.h
Export Import sst files (#5495)
2019-07-17 12:27:14 -07:00
import_column_family_test.cc
Fix tsan and valgrind failures in import_column_family_test
2019-07-19 13:25:36 -07:00
internal_stats.cc
simplify include directive involving inttypes (#5402)
2019-06-06 13:56:07 -07:00
internal_stats.h
Fix MyRocks compile warnings-treated-as-errors on Fedora 30, gcc 9.1.1 (#5553)
2019-07-12 17:30:51 -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
Move some logging related files to logging/ (#5387)
2019-05-31 17:23:59 -07:00
log_format.h
Fix an inaccurate comment (#4315)
2018-08-24 18:13:20 -07:00
log_reader.cc
Support for single-primary, multi-secondary instances (#4899)
2019-03-26 16:45:31 -07:00
log_reader.h
secondary instance: add support for WAL tailing on OpenAsSecondary
2019-04-24 12:08:44 -07:00
log_test.cc
Move some memory related files from util/ to memory/ (#5382)
2019-05-30 17:44:09 -07:00
log_writer.cc
LogWriter to only flush after finish generating whole record (#5328)
2019-05-21 12:33:17 -07:00
log_writer.h
Close WAL files before deletion (#5233)
2019-04-25 10:11:41 -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
Refactor trimming logic for immutable memtables (#5022)
2019-08-23 13:55:34 -07:00
memtable_list.cc
Refactor trimming logic for immutable memtables (#5022)
2019-08-23 13:55:34 -07:00
memtable_list.h
Refactor trimming logic for immutable memtables (#5022)
2019-08-23 13:55:34 -07:00
memtable.cc
Refactor trimming logic for immutable memtables (#5022)
2019-08-23 13:55:34 -07:00
memtable.h
Refactor trimming logic for immutable memtables (#5022)
2019-08-23 13:55:34 -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
Organizing rocksdb/db directory
2019-05-31 11:57:01 -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
Move some logging related files to logging/ (#5387)
2019-05-31 17:23:59 -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
simplify include directive involving inttypes (#5402)
2019-06-06 13:56:07 -07:00
range_tombstone_fragmenter.h
Add compaction logic to RangeDelAggregatorV2 (#4758)
2018-12-17 13:20:51 -08:00
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
Refactor trimming logic for immutable memtables (#5022)
2019-08-23 13:55:34 -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
Refresh snapshot list during long compactions (2nd attempt) (#5278)
2019-05-03 17:30:22 -07:00
table_cache.cc
Support row cache with batched MultiGet (#5706)
2019-08-28 16:11:56 -07:00
table_cache.h
Support row cache with batched MultiGet (#5706)
2019-08-28 16:11:56 -07:00
table_properties_collector_test.cc
Organizing rocksdb/db directory
2019-05-31 11:57:01 -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
reuse scratch buffer in transaction_log_reader (#5702)
2019-08-26 11:26:29 -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
Move some logging related files to logging/ (#5387)
2019-05-31 17:23:59 -07:00
version_builder.cc
simplify include directive involving inttypes (#5402)
2019-06-06 13:56:07 -07:00
version_builder.h
Support for single-primary, multi-secondary instances (#4899)
2019-03-26 16:45:31 -07:00
version_edit_test.cc
Move some memory related files from util/ to memory/ (#5382)
2019-05-30 17:44:09 -07:00
version_edit.cc
Move some logging related files to logging/ (#5387)
2019-05-31 17:23:59 -07:00
version_edit.h
Fix MyRocks compile warnings-treated-as-errors on Fedora 30, gcc 9.1.1 (#5553)
2019-07-12 17:30:51 -07:00
version_set_test.cc
Integrate block cache tracer into db_impl (#5433)
2019-06-13 15:43:10 -07:00
version_set.cc
Support row cache with batched MultiGet (#5706)
2019-08-28 16:11:56 -07:00
version_set.h
Optimizing ApproximateSize to create index iterator just once (#5693)
2019-08-16 14:18:28 -07:00
wal_manager_test.cc
Replace Corruption with TryAgain status when new tail is not visible to TransactionLogIterator (#5474)
2019-06-19 08:10:08 -07:00
wal_manager.cc
Fix bugs in WAL trash file handling (#5520)
2019-07-06 21:07:32 -07:00
wal_manager.h
Fix bugs in WAL trash file handling (#5520)
2019-07-06 21:07:32 -07:00
write_batch_base.cc
Change RocksDB License
2017-07-15 16:11:23 -07:00
write_batch_internal.h
Refactor trimming logic for immutable memtables (#5022)
2019-08-23 13:55:34 -07:00
write_batch_test.cc
Refactor trimming logic for immutable memtables (#5022)
2019-08-23 13:55:34 -07:00
write_batch.cc
replace some reinterpret_cast with static_cast_with_check (#5740)
2019-08-27 10:59:11 -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
Move some memory related files from util/ to memory/ (#5382)
2019-05-30 17:44:09 -07:00
write_thread.h
Fix skip WAL for whole write_group when leader's callback fail (#4838)
2019-01-03 12:40:42 -08:00