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Jay Zhuang b8de2291ad Blog post for Aligning Compaction Output File Boundaries (#10917) 
Summary: Pull Request resolved: https://github.com/facebook/rocksdb/pull/10917

Reviewed By: ajkr

Differential Revision: D41070371

Pulled By: jay-zhuang

fbshipit-source-id: f211aa4f9931d06a38b32042f73a5e207d996caa
2022-11-07 19:28:05 -08:00
.circleci Upgrade CircleCI Windows Build (#10090) 2022-10-28 09:14:47 -07:00
.github/workflows ci: add GitHub token permissions for workflow (#10549) 2022-10-04 12:10:30 -07:00
buckifier Enable BLACK for internal_repo_rocksdb (#10710) 2022-09-20 17:47:52 -07:00
build_tools Print stack traces on frozen tests in CI (#10828) 2022-10-18 00:35:35 -07:00
cache Refactor (Hyper)ClockCache code (#10887) 2022-11-02 22:41:39 -07:00
cmake gcc-11 and cmake related cleanup (#9286) 2021-12-17 17:04:35 -08:00
coverage Enable BLACK for internal_repo_rocksdb (#10710) 2022-09-20 17:47:52 -07:00
db Fix a bug where GetContext does not update READ_NUM_MERGE_OPERANDS (#10925) 2022-11-07 15:42:10 -08:00
db_stress_tool Adjust value generation in batched ops stress tests (#10872) 2022-10-25 17:51:20 -07:00
docs Blog post for Aligning Compaction Output File Boundaries (#10917) 2022-11-07 19:28:05 -08:00
env Added placeholders for MADV defines (#10881) 2022-11-02 14:42:42 -07:00
examples Add rocksdb_backup_restore_example to examples/.gitignore (#10825) 2022-11-02 15:02:09 -07:00
file Fix async_io failures in case there is error in reading data (#10890) 2022-11-01 16:06:51 -07:00
fuzz Add some missing headers (#10519) 2022-08-11 12:45:50 -07:00
include/rocksdb Basic Support for Merge with user-defined timestamp (#10819) 2022-10-31 22:28:58 -07:00
java Improve musl libc detection and provide an option for the user to override (#10889) 2022-11-02 14:42:23 -07:00
logging Run clang format on logging folder (#10861) 2022-10-24 18:13:43 -07:00
memory Run clang format against files under example/, memory/ and memtable/ folders (#10893) 2022-10-28 13:16:50 -07:00
memtable Run clang format against files under example/, memory/ and memtable/ folders (#10893) 2022-10-28 13:16:50 -07:00
microbench Avoid allocations/copies for large GetMergeOperands() results (#10458) 2022-08-04 00:42:13 -07:00
monitoring clang format files under monitoring/ (#10857) 2022-10-24 20:45:54 -07:00
options Ignore max_compaction_bytes for compaction input that are within output key-range (#10835) 2022-10-21 10:22:41 -07:00
plugin Add initial CMake support to plugin (#9214) 2021-11-30 17:16:53 -08:00
port Fix include of windows.h in mmap.h (#10885) 2022-10-26 18:07:57 -07:00
table Fix a bug where GetContext does not update READ_NUM_MERGE_OPERANDS (#10925) 2022-11-07 15:42:10 -08:00
test_util clang format files under test_util/ (#10855) 2022-10-24 20:32:25 -07:00
third-party Meta-internal folly integration with F14FastMap (#9546) 2022-04-13 07:34:01 -07:00
tools Add multireadwhilewriting benchmark to db_bench (#10919) 2022-11-04 11:01:33 -07:00
trace_replay Refactor block cache tracing APIs (#10811) 2022-10-21 12:15:35 -07:00
util Add OpenBSD/arm64 support for detection of CRC32 and PMULL (#10902) 2022-11-02 14:35:27 -07:00
utilities Fix a bug where GetContext does not update READ_NUM_MERGE_OPERANDS (#10925) 2022-11-07 15:42:10 -08:00
.clang-format
.gitignore Git ignore .clangd/ (#10817) 2022-10-17 08:33:58 -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
CMakeLists.txt Rename block_cache_trace_analyzer_tool in CMakeLists (#10814) 2022-10-26 17:02:37 -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 Add Code of Conduct 2017-12-05 18:42:35 -08:00
COPYING
crash_test.mk Allow a custom DB cleanup command to be passed to db_crashtest.py (#10883) 2022-10-27 19:47:01 -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 Fix a bug where GetContext does not update READ_NUM_MERGE_OPERANDS (#10925) 2022-11-07 15:42:10 -08:00
INSTALL.md Update supported VS versions in INSTALL.md (#9823) 2022-04-13 13:03:40 -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 Print stack traces on frozen tests in CI (#10828) 2022-10-18 00:35:35 -07:00
PLUGINS.md Add pmem-rocksdb-plugin link in PLUGINs.md (#9934) 2022-05-12 22:02:28 -07:00
README.md Remove Travis CI (#10407) 2022-07-22 20:16:45 -07:00
rocksdb.pc.in build: fix pkg-config file generation (#9953) 2022-05-30 12:46:40 -07:00
ROCKSDB_LITE.md Fix remaining uses of "backupable" (#9792) 2022-04-05 09:52:33 -07:00
src.mk Improve / refactor anonymous mmap capabilities (#10810) 2022-10-17 17:10:16 -07:00
TARGETS Improve / refactor anonymous mmap capabilities (#10810) 2022-10-17 17:10:16 -07:00
thirdparty.inc Fix build jemalloc api (#5470) 2019-06-24 17:40:32 -07:00
USERS.md Add Solana's RocksDB use case in USERS.md (#9558) 2022-02-16 09:23:01 -08:00
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

README.md

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

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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.