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Hui Xiao 8e949116f7 Fix comments about creation_time/oldest_ancester_time/oldest_key_time (#11921) 
Summary:
Code reference for the comments change:

40b618f234/table/block_based/block_based_table_builder.cc?fbclid=IwAR0JlfnG8wysclFP5wv0fSngFbi_j32BUCKbFayeGdr10tzDhyyk5QqpclA#L2093

40b618f234/db/flush_job.cc?fbclid=IwAR1ri6eTX3wyD_2fAEBRzFSwZItcbmDS8LaB11k1letDMQmB2L8nF6TfXDs#L945-L949

40b618f234/db/compaction/compaction_job.cc (L1882-L1904)

Pull Request resolved: https://github.com/facebook/rocksdb/pull/11921

Reviewed By: cbi42

Differential Revision: D49921304

Pulled By: hx235

fbshipit-source-id: 2ae17e43c0fd52044404d7b63fea254d2d1f3595
 		2023-10-04 14:42:35 -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 remove unnecessary autodeps suppression tag from rocksdb/src (#11904) 2023-09-28 10:42:04 -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 Don't call InsertSaved on compressed only secondary cache (#11889) 2023-09-27 12:08:08 -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 Fix comments about creation_time/oldest_ancester_time/oldest_key_time (#11921) 2023-10-04 14:42:35 -07:00
db_stress_tool Fix various failures in auto_readahead_size (#11884) 2023-10-02 17:47:24 -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 various failures in auto_readahead_size (#11884) 2023-10-02 17:47:24 -07:00
fuzz Block per key-value checksum (#11287) 2023-04-25 12:08:23 -07:00
include/rocksdb Fix comments about creation_time/oldest_ancester_time/oldest_key_time (#11921) 2023-10-04 14:42:35 -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 Disallow start_time == end_time in offpeak time and compare at minute level to allow 24hr offpeak (#11911) 2023-10-02 16:52:39 -07:00
plugin Add initial CMake support to plugin (#9214) 2021-11-30 17:16:53 -08:00
port Update tiered storage tests (ahead of next change) (#11917) 2023-10-02 16:19:05 -07:00
table Fix various failures in auto_readahead_size (#11884) 2023-10-02 17:47:24 -07:00
test_util Support compressed and local flash secondary cache stacking (#11812) 2023-09-21 20:30:53 -07:00
third-party fix optimization-disabled test builds with platform010 (#11361) 2023-04-10 13:59:44 -07:00
tools Improve efficiency of create_missing_column_families, light refactor (#11920) 2023-10-04 14:14:22 -07:00
trace_replay Fix error maybe-uninitialized #11100 (#11101) 2023-01-19 13:59:48 -08:00
unreleased_history Improve efficiency of create_missing_column_families, light refactor (#11920) 2023-10-04 14:14:22 -07:00
util Improve efficiency of create_missing_column_families, light refactor (#11920) 2023-10-04 14:14:22 -07:00
utilities test: WritableFile derived class: add missing GetFileSize() override (#11726) 2023-09-29 15:58:08 -07:00
.clang-format A script that automatically reformat affected lines 2014-01-14 12:21:24 -08:00
.gitignore Add .arcconfig to .gitignore (fb internal use) (#11803) 2023-09-07 14:57:39 -07:00
.lgtm.yml Create lgtm.yml for LGTM.com C/C++ analysis (#4058) 2018-06-26 12:43:04 -07:00
.watchmanconfig Added .watchmanconfig file to rocksdb repo (#5593) 2019-07-19 15:00:33 -07:00
AUTHORS Update RocksDB Authors File 2017-10-18 14:42:10 -07:00
CMakeLists.txt Support compressed and local flash secondary cache stacking (#11812) 2023-09-21 20:30:53 -07:00
CODE_OF_CONDUCT.md Adopt Contributor Covenant 2019-08-29 23:21:01 -07:00
CONTRIBUTING.md Add Code of Conduct 2017-12-05 18:42:35 -08:00
COPYING Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -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 First version of rocksdb_dump and rocksdb_undump. 2015-06-19 16:24:36 -07:00
HISTORY.md Update files for version 8.8 (#11878) 2023-09-23 11:02:19 -07:00
INSTALL.md RocksDB now requires gflags v2.2.0 (#10933) 2023-10-03 09:58:49 -07:00
LANGUAGE-BINDINGS.md Add grocksdb in Go language bindings (#10498) 2022-08-23 15:02:10 -07:00
LICENSE.Apache Change RocksDB License 2017-07-15 16:11:23 -07:00
LICENSE.leveldb Add back the LevelDB license file 2017-07-16 18:42:18 -07:00
Makefile Support compressed and local flash secondary cache stacking (#11812) 2023-09-21 20:30:53 -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
TARGETS Add the wide-column aware merge API to the stress tests (#11906) 2023-09-29 08:54:50 -07:00
USERS.md Add Apache Kvrocks RocksDB use case in USERS.md (#11779) 2023-09-01 23:39:41 -07:00
Vagrantfile Adding CentOS 7 Vagrantfile & build script 2018-02-26 15:27:17 -08:00
WINDOWS_PORT.md Update branch name in WINDOWS_PORT.md (#8745) 2021-09-01 19:26:39 -07:00
common.mk Clean up variables for temporary directory (#9961) 2022-05-06 16:38:06 -07:00
crash_test.mk Stress/Crash Test for OptimisticTransactionDB (#11513) 2023-06-17 16:27:37 -07:00
issue_template.md Add Google Group to Issue Template 2020-01-28 14:40:37 -08:00
rocksdb.pc.in build: fix pkg-config file generation (#9953) 2022-05-30 12:46:40 -07:00
src.mk Add the wide-column aware merge API to the stress tests (#11906) 2023-09-29 08:54:50 -07:00
thirdparty.inc Fix build jemalloc api (#5470) 2019-06-24 17:40:32 -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.