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Andrew Kryczka 0ffc0c7db1 Allow `TtlMergeOperator` to wrap an unregistered `MergeOperator` (#12056) 
Summary:
Followed mrambacher's first suggestion in https://github.com/facebook/rocksdb/pull/12044#issuecomment-1800706148.

This change allows serializing a `TtlMergeOperator` that wraps an unregistered `MergeOperator`. Such a `TtlMergeOperator` cannot be loaded (validation will fail in `TtlMergeOperator::ValidateOptions()`), but that is OK for us currently.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/12056

Reviewed By: hx235

Differential Revision: D51125097

Pulled By: ajkr

fbshipit-source-id: 8ed3705e8d36ab473673b9198eea6db64397ed15
 		2023-11-10 16:57:17 -08:00
.circleci Fix the ZStd checksum (#12005) 2023-10-31 12:23:34 -07:00
.github/workflows Fix failed CI job "Check buck targets and code format" (#11532) 2023-06-13 14:20:11 -07:00
buckifier Error out in case of std errors in blackbox test and export file in TARGETS 2023-10-24 11:46:18 -07:00
build_tools Update libs for RocksJava Static build (#9304) 2023-10-20 10:38:27 -07:00
cache Safer wrapper for std::atomic, use in HCC (#12051) 2023-11-08 13:28:43 -08:00
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 Remove the default force behavior for `EnableFileDeletion` API (#12001) 2023-11-10 14:35:54 -08:00
db_stress_tool Enable `TestIterateAgainstExpected()` in more crash tests (#12040) 2023-11-03 16:27:11 -07:00
docs FIX new blog post (JNI performance) Locate images correctly (#12050) 2023-11-07 11:58:58 -08:00
env Support to use environment variable to test customer encryption plugins (#12025) 2023-11-09 10:45:13 -08:00
examples Remove RocksDB LITE (#11147) 2023-01-27 13:14:19 -08:00
file Add some stats to observe the usefulness of scan prefetching (#11981) 2023-10-23 14:42:44 -07:00
fuzz Block per key-value checksum (#11287) 2023-04-25 12:08:23 -07:00
include/rocksdb Remove the default force behavior for `EnableFileDeletion` API (#12001) 2023-11-10 14:35:54 -08:00
java Remove the default force behavior for `EnableFileDeletion` API (#12001) 2023-11-10 14:35:54 -08:00
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 Add some stats to observe the usefulness of scan prefetching (#11981) 2023-10-23 14:42:44 -07:00
options Mark more files for periodic compaction during offpeak (#12031) 2023-11-06 11:43:59 -08:00
plugin Add initial CMake support to plugin (#9214) 2021-11-30 17:16:53 -08:00
port Fix race in options taking effect (#11929) 2023-10-12 10:05:23 -07:00
table Ensure and clarify how RocksDB calls TablePropertiesCollector's functions (#12053) 2023-11-08 14:00:36 -08:00
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 Remove the default force behavior for `EnableFileDeletion` API (#12001) 2023-11-10 14:35:54 -08:00
trace_replay Skip subsequent trace writes after encountering trace write failure (#11996) 2023-10-24 09:58:02 -07:00
unreleased_history Remove the default force behavior for `EnableFileDeletion` API (#12001) 2023-11-10 14:35:54 -08:00
util Safer wrapper for std::atomic, use in HCC (#12051) 2023-11-08 13:28:43 -08:00
utilities Allow `TtlMergeOperator` to wrap an unregistered `MergeOperator` (#12056) 2023-11-10 16:57:17 -08:00
.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 Ensure `target_include_directories()` is called with correct target name (#12055) 2023-11-09 10:41:38 -08:00
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 history, version and format testing for 8.8 (#12004) 2023-10-24 12:03:07 -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 Not to print unnecessary commands in Makefile (#11978) 2023-11-07 11:44:20 -08:00
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 Make OffpeakTimeInfo available in VersionSet (#12018) 2023-10-27 15:56:48 -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 jni Support for API CreateColumnFamilyWithImport (#11646) 2023-11-06 07:38:42 -08:00
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.