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Jay Huh 99f8820054 Fix test on IOActivity check for MultiGetEntity (#11850) 
Summary:
After https://github.com/facebook/rocksdb/issues/11842  merged, we started to see some crash_test failures.

There is a flow inside `TestMultiGetEntity()` that it calls `GetEntity()` to compare the result between `MultiGetEntity()` and `GetEntity()` 1c6faf3587/db_stress_tool/no_batched_ops_stress.cc (L1068-L1072)

However, IOActivity check inside DbStressRandomAccessFileWrapper was expecting IOActivity::MultiGet when GetEntity() was called. We are fixing the test by setting expected operation to be GetEntity before calling GetEntity()

Pull Request resolved: https://github.com/facebook/rocksdb/pull/11850

Test Plan:
Error repro'ed by the following run before fix and no more error after the fix.

```
./db_stress --acquire_snapshot_one_in=10000 --adaptive_readahead=0 --allow_concurrent_memtable_write=0 --allow_data_in_errors=True --async_io=1 --auto_readahead_size=1 --avoid_flush_during_recovery=0 --avoid_unnecessary_blocking_io=1 --backup_max_size=104857600 --backup_one_in=100000 --batch_protection_bytes_per_key=8 --block_protection_bytes_per_key=0 --block_size=16384 --bloom_before_level=1 --bloom_bits=9.880688060667444 --bottommost_compression_type=zstd --bottommost_file_compaction_delay=86400 --bytes_per_sync=262144 --cache_index_and_filter_blocks=0 --cache_size=8388608 --cache_type=auto_hyper_clock_cache --charge_compression_dictionary_building_buffer=1 --charge_file_metadata=0 --charge_filter_construction=0 --charge_table_reader=1 --checkpoint_one_in=1000000 --checksum_type=kxxHash64 --clear_column_family_one_in=0 --column_families=1 --compact_files_one_in=1000000 --compact_range_one_in=1000000 --compaction_pri=3 --compaction_readahead_size=1048576 --compaction_ttl=0 --compression_checksum=0 --compression_max_dict_buffer_bytes=0 --compression_max_dict_bytes=0 --compression_parallel_threads=1 --compression_type=none --compression_use_zstd_dict_trainer=1 --compression_zstd_max_train_bytes=0 --continuous_verification_interval=0 --data_block_index_type=1 --db=/dev/shm/rocksdb_test/rocksdb_crashtest_blackbox --db_write_buffer_size=0 --delpercent=4 --delrangepercent=1 --destroy_db_initially=0 --detect_filter_construct_corruption=1 --disable_wal=0 --enable_compaction_filter=0 --enable_pipelined_write=0 --enable_thread_tracking=1 --expected_values_dir=/dev/shm/rocksdb_test/rocksdb_crashtest_expected --fail_if_options_file_error=0 --fifo_allow_compaction=1 --file_checksum_impl=big --flush_one_in=1000000 --format_version=6 --get_current_wal_file_one_in=0 --get_live_files_one_in=1000000 --get_property_one_in=1000000 --get_sorted_wal_files_one_in=0 --index_block_restart_interval=4 --index_type=0 --ingest_external_file_one_in=0 --initial_auto_readahead_size=0 --iterpercent=10 --key_len_percent_dist=1,30,69 --level_compaction_dynamic_level_bytes=0 --lock_wal_one_in=1000000 --long_running_snapshots=0 --manual_wal_flush_one_in=0 --mark_for_compaction_one_file_in=0 --max_auto_readahead_size=524288 --max_background_compactions=1 --max_bytes_for_level_base=67108864 --max_key=25000000 --max_key_len=3 --max_manifest_file_size=1073741824 --max_write_batch_group_size_bytes=16777216 --max_write_buffer_number=3 --max_write_buffer_size_to_maintain=2097152 --memtable_max_range_deletions=0 --memtable_prefix_bloom_size_ratio=0 --memtable_protection_bytes_per_key=2 --memtable_whole_key_filtering=0 --memtablerep=skip_list --min_write_buffer_number_to_merge=2 --mmap_read=1 --mock_direct_io=False --nooverwritepercent=1 --num_file_reads_for_auto_readahead=0 --open_files=-1 --open_metadata_write_fault_one_in=0 --open_read_fault_one_in=0 --open_write_fault_one_in=0 --ops_per_thread=100000000 --optimize_filters_for_memory=0 --paranoid_file_checks=1 --partition_filters=0 --partition_pinning=3 --pause_background_one_in=1000000 --periodic_compaction_seconds=1 --prefix_size=-1 --prefixpercent=0 --prepopulate_block_cache=0 --preserve_internal_time_seconds=0 --progress_reports=0 --read_fault_one_in=32 --readahead_size=16384 --readpercent=50 --recycle_log_file_num=1 --reopen=0 --secondary_cache_fault_one_in=0 --secondary_cache_uri=compressed_secondary_cache://capacity=8388608;enable_custom_split_merge=true --set_options_one_in=0 --snapshot_hold_ops=100000 --sst_file_manager_bytes_per_sec=104857600 --sst_file_manager_bytes_per_truncate=0 --stats_dump_period_sec=0 --subcompactions=2 --sync=0 --sync_fault_injection=1 --target_file_size_base=16777216 --target_file_size_multiplier=1 --test_batches_snapshots=0 --top_level_index_pinning=3 --unpartitioned_pinning=0 --use_direct_io_for_flush_and_compaction=0 --use_direct_reads=0 --use_full_merge_v1=0 --use_get_entity=0 --use_merge=1 --use_multi_get_entity=1 --use_multiget=1 --use_put_entity_one_in=0 --user_timestamp_size=0 --value_size_mult=32 --verification_only=0 --verify_checksum=1 --verify_checksum_one_in=1000000 --verify_db_one_in=100000 --verify_file_checksums_one_in=1000000 --verify_iterator_with_expected_state_one_in=5 --verify_sst_unique_id_in_manifest=1 --wal_bytes_per_sync=524288 --wal_compression=none --write_buffer_size=33554432 --write_dbid_to_manifest=0 --writepercent=35
```

Reviewed By: cbi42

Differential Revision: D49344996

Pulled By: jaykorean

fbshipit-source-id: 8059b8127c0e3cb8af96cf222f47398413c92c50
2023-09-15 22:50:49 -07:00
.circleci Circleci macos sunset (#11633) 2023-08-21 11:53:40 -07:00
.github/workflows Fix failed CI job "Check buck targets and code format" (#11532) 2023-06-13 14:20:11 -07:00
buckifier Del (object) from 200 inc instagram-server/distillery/slipstream/thrift_models/StoryFeedMediaSticker/ttypes.py 2023-08-25 16:22:09 -07:00
build_tools Del (object) from 200 inc instagram-server/distillery/slipstream/thrift_models/StoryFeedMediaSticker/ttypes.py 2023-08-25 16:22:09 -07:00
cache Suppress TSAN reports on AutoHyperClockTable::Lookup (#11806) 2023-09-08 10:50:47 -07:00
cmake gcc-11 and cmake related cleanup (#9286) 2021-12-17 17:04:35 -08:00
coverage Remove platform009 and default to platform010 (#11333) 2023-03-30 09:56:37 -07:00
db Make RibbonFilterPolicy::bloom_before_level mutable (SetOptions()) (#11838) 2023-09-15 15:46:10 -07:00
db_stress_tool Fix test on IOActivity check for MultiGetEntity (#11850) 2023-09-15 22:50:49 -07:00
docs Fix typo in twitter link (#11529) 2023-06-12 15:26:13 -07:00
env Add SystemClock::TimedWait() function (#11753) 2023-08-29 18:39:10 -07:00
examples Remove RocksDB LITE (#11147) 2023-01-27 13:14:19 -08:00
file Fix a bug of rocksdb.file.read.verify.file.checksums.micros not being populated (#11836) 2023-09-15 10:36:14 -07:00
fuzz Block per key-value checksum (#11287) 2023-04-25 12:08:23 -07:00
include/rocksdb Make RibbonFilterPolicy::bloom_before_level mutable (SetOptions()) (#11838) 2023-09-15 15:46:10 -07:00
java Implement trimming of readhead size when upper bound is specified (#11684) 2023-08-18 15:52:04 -07:00
logging Disabling some IO error assertion in EnvLogger (#11314) 2023-03-20 13:23:29 -07:00
memory cache_bench enhancements for jemalloc etc. (#11758) 2023-08-24 19:14:38 -07:00
memtable remove redundant move (#11418) 2023-05-03 09:37:21 -07:00
microbench Add CompressionOptions::checksum for enabling ZSTD checksum (#11666) 2023-08-18 15:01:59 -07:00
monitoring GetEntity Support for ReadOnlyDB and SecondaryDB (#11799) 2023-09-15 08:30:44 -07:00
options Make RibbonFilterPolicy::bloom_before_level mutable (SetOptions()) (#11838) 2023-09-15 15:46:10 -07:00
plugin Add initial CMake support to plugin (#9214) 2021-11-30 17:16:53 -08:00
port Suppress TSAN reports on AutoHyperClockTable::Lookup (#11806) 2023-09-08 10:50:47 -07:00
table Make RibbonFilterPolicy::bloom_before_level mutable (SetOptions()) (#11838) 2023-09-15 15:46:10 -07:00
test_util Add a unit test for the fix in #11763 (#11810) 2023-09-11 12:54:50 -07:00
third-party fix optimization-disabled test builds with platform010 (#11361) 2023-04-10 13:59:44 -07:00
tools Make RibbonFilterPolicy::bloom_before_level mutable (SetOptions()) (#11838) 2023-09-15 15:46:10 -07:00
trace_replay Fix error maybe-uninitialized #11100 (#11101) 2023-01-19 13:59:48 -08:00
unreleased_history Make RibbonFilterPolicy::bloom_before_level mutable (SetOptions()) (#11838) 2023-09-15 15:46:10 -07:00
util Make RibbonFilterPolicy::bloom_before_level mutable (SetOptions()) (#11838) 2023-09-15 15:46:10 -07:00
utilities Fix CI failure due to transaction_test (#11843) 2023-09-15 13:05:23 -07:00
.clang-format
.gitignore Add .arcconfig to .gitignore (fb internal use) (#11803) 2023-09-07 14:57:39 -07:00
.lgtm.yml
.watchmanconfig Added .watchmanconfig file to rocksdb repo (#5593) 2019-07-19 15:00:33 -07:00
AUTHORS
CMakeLists.txt Wide Column support in ldb (#11754) 2023-08-30 12:45:52 -07:00
CODE_OF_CONDUCT.md Adopt Contributor Covenant 2019-08-29 23:21:01 -07:00
common.mk Clean up variables for temporary directory (#9961) 2022-05-06 16:38:06 -07:00
CONTRIBUTING.md
COPYING
crash_test.mk Stress/Crash Test for OptimisticTransactionDB (#11513) 2023-06-17 16:27:37 -07:00
DEFAULT_OPTIONS_HISTORY.md Add Options::DisableExtraChecks, clarify force_consistency_checks (#9363) 2022-01-18 17:31:03 -08:00
DUMP_FORMAT.md
HISTORY.md Remove "rocksdb.file.read.db.open.micros" typo from 8.6 HISTORY (#11839) 2023-09-14 16:07:59 -07:00
INSTALL.md Simplify detection of x86 CPU features (#11419) 2023-05-09 22:25:45 -07:00
issue_template.md Add Google Group to Issue Template 2020-01-28 14:40:37 -08:00
LANGUAGE-BINDINGS.md Add grocksdb in Go language bindings (#10498) 2022-08-23 15:02:10 -07:00
LICENSE.Apache
LICENSE.leveldb
Makefile Wide Column support in ldb (#11754) 2023-08-30 12:45:52 -07:00
PLUGINS.md Added encryption plugin based on Intel open-source ipp-crypto library (#11429) 2023-05-08 12:13:43 -07:00
README.md Remove deprecated integration tests from README.md (#11354) 2023-04-07 16:52:50 -07:00
rocksdb.pc.in build: fix pkg-config file generation (#9953) 2022-05-30 12:46:40 -07:00
src.mk Wide Column support in ldb (#11754) 2023-08-30 12:45:52 -07:00
TARGETS Wide Column support in ldb (#11754) 2023-08-30 12:45:52 -07:00
thirdparty.inc
USERS.md Add Apache Kvrocks RocksDB use case in USERS.md (#11779) 2023-09-01 23:39:41 -07:00
Vagrantfile
WINDOWS_PORT.md Update branch name in WINDOWS_PORT.md (#8745) 2021-09-01 19:26:39 -07:00

README.md

RocksDB: A Persistent Key-Value Store for Flash and RAM Storage

CircleCI Status

RocksDB is developed and maintained by Facebook Database Engineering Team. It is built on earlier work on LevelDB by Sanjay Ghemawat (sanjay@google.com) and Jeff Dean (jeff@google.com)

This code is a library that forms the core building block for a fast key-value server, especially suited for storing data on flash drives. It has a Log-Structured-Merge-Database (LSM) design with flexible tradeoffs between Write-Amplification-Factor (WAF), Read-Amplification-Factor (RAF) and Space-Amplification-Factor (SAF). It has multi-threaded compactions, making it especially suitable for storing multiple terabytes of data in a single database.

Start with example usage here: https://github.com/facebook/rocksdb/tree/main/examples

See the github wiki for more explanation.

The public interface is in include/. Callers should not include or rely on the details of any other header files in this package. Those internal APIs may be changed without warning.

Questions and discussions are welcome on the RocksDB Developers Public Facebook group and email list on Google Groups.

License

RocksDB is dual-licensed under both the GPLv2 (found in the COPYING file in the root directory) and Apache 2.0 License (found in the LICENSE.Apache file in the root directory). You may select, at your option, one of the above-listed licenses.