A library that provides an embeddable, persistent key-value store for fast storage.
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Hui Xiao a64c8ca7a8 Sanitize negative request bytes in GenericRateLimiter::Request and clarify API (#9112)
Summary:
Context:
Surprisingly, there isn't any sanitization against negative `int64_t bytes` in `GenericRateLimiter::Request(int64_t bytes, const Env::IOPriority pri, Statistics* stats)`. A negative `bytes` can be passed in and incorrectly increases `available_bytes_` by subtracting the negative `bytes` from `available_bytes_`, such as  [here](https://github.com/facebook/rocksdb/blob/main/util/rate_limiter.cc#L138) and [here](https://github.com/facebook/rocksdb/blob/main/util/rate_limiter.cc#L283), which are incorrect behaviors.
- Sanitized negative request bytes by rounding it up to 0
- Added notes to public and internal API

Pull Request resolved: https://github.com/facebook/rocksdb/pull/9112

Test Plan: - Rely on existing tests

Reviewed By: ajkr

Differential Revision: D32085364

Pulled By: hx235

fbshipit-source-id: b1b6066b2dd5ffc7bcbfb07069ca65a33578251b
2021-11-04 10:11:53 -07:00
.circleci Fix EnvLibrados and add to CI (#9088) 2021-10-29 08:19:03 -07:00
.github/workflows Add (& fix) some simple source code checks (#8821) 2021-09-07 21:19:27 -07:00
buckifier Update buckify scripts (#9104) 2021-11-01 10:11:18 -07:00
build_tools Fixing child jobs of rocksdb for duplo deprecation (#9117) 2021-11-03 14:56:26 -07:00
cache Add new API CacheReservationManager::GetDummyEntrySize() (#9072) 2021-11-01 14:46:09 -07:00
cmake Add find_dependency() in cmake config file. (#6791) 2020-05-12 21:18:29 -07:00
coverage Remove asan_symbolize.py for internal asan build (#8737) 2021-09-07 15:39:11 -07:00
db Fixed a bug in CompactionIterator when write-preared transaction is used (#9060) 2021-11-03 15:55:00 -07:00
db_stress_tool Avoid div-by-zero error in db_stress (#9086) 2021-10-31 22:16:03 -07:00
docs Misc doc fixes (#8983) 2021-10-07 11:22:17 -07:00
env Skip directory fsync for filesystem btrfs (#8903) 2021-11-03 12:21:27 -07:00
examples Add (& fix) some simple source code checks (#8821) 2021-09-07 21:19:27 -07:00
file Skip directory fsync for filesystem btrfs (#8903) 2021-11-03 12:21:27 -07:00
fuzz Make EventListener into a Customizable Class (#8473) 2021-07-27 07:47:02 -07:00
hdfs fix build with 'USE_HDFS' on windows (#6950) 2020-06-12 16:21:50 -07:00
include/rocksdb Sanitize negative request bytes in GenericRateLimiter::Request and clarify API (#9112) 2021-11-04 10:11:53 -07:00
java Regression tests for tickets fixed by previous change. (#9019) 2021-11-01 15:06:47 -07:00
logging Make SystemClock into a Customizable Class (#8636) 2021-09-21 09:23:48 -07:00
memory Fix and detect headers with missing dependencies (#8893) 2021-09-10 10:00:26 -07:00
memtable Fix race in WriteBufferManager (#9009) 2021-10-12 00:16:21 -07:00
microbench Skip directory fsync for filesystem btrfs (#8903) 2021-11-03 12:21:27 -07:00
monitoring remove bad extra RecordTick(stats_, WRITE_WITH_WAL) (#9064) 2021-11-01 11:43:14 -07:00
options Some checksum code refactoring (#9113) 2021-11-04 09:09:34 -07:00
plugin Makefile support to statically link external plugin code (#7918) 2021-02-10 08:35:34 -08:00
port Make FileSystem a Customizable Class (#8649) 2021-11-02 09:07:11 -07:00
table Some checksum code refactoring (#9113) 2021-11-04 09:09:34 -07:00
test_util Make FileSystem a Customizable Class (#8649) 2021-11-02 09:07:11 -07:00
third-party Add support for building on s390x platform (#8962) 2021-10-22 10:13:15 -07:00
tools Try to start TTL earlier with kMinOverlappingRatio is used (#8749) 2021-11-01 14:36:31 -07:00
trace_replay Cleanup includes in dbformat.h (#8930) 2021-09-29 04:04:40 -07:00
util Sanitize negative request bytes in GenericRateLimiter::Request and clarify API (#9112) 2021-11-04 10:11:53 -07:00
utilities Fixed a bug in CompactionIterator when write-preared transaction is used (#9060) 2021-11-03 15:55:00 -07:00
.clang-format A script that automatically reformat affected lines 2014-01-14 12:21:24 -08:00
.gitignore gitignore cmake-build-* for CLion integration (#7933) 2021-02-19 13:43:15 -08:00
.lgtm.yml Create lgtm.yml for LGTM.com C/C++ analysis (#4058) 2018-06-26 12:43:04 -07:00
.travis.yml Re-enable 390x+cmake* Travis jobs (#9110) 2021-11-03 20:30:15 -07:00
.watchmanconfig Added .watchmanconfig file to rocksdb repo (#5593) 2019-07-19 15:00:33 -07:00
appveyor.yml Remove 2019 from appveyor (#7038) 2020-06-29 14:31:41 -07:00
AUTHORS Update RocksDB Authors File 2017-10-18 14:42:10 -07:00
CMakeLists.txt Add support for building on s390x platform (#8962) 2021-10-22 10:13:15 -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 options.delayed_write_rate use the rate of rate_limiter by default. 2017-05-24 09:58:24 -07:00
defs.bzl Make testpilot recognize that these tests have coverage instrumentation 2020-03-20 11:23:23 -07:00
DUMP_FORMAT.md First version of rocksdb_dump and rocksdb_undump. 2015-06-19 16:24:36 -07:00
HISTORY.md Sanitize negative request bytes in GenericRateLimiter::Request and clarify API (#9112) 2021-11-04 10:11:53 -07:00
INSTALL.md Update installation instructions (#8158) 2021-04-06 16:02:04 -07:00
issue_template.md Add Google Group to Issue Template 2020-01-28 14:40:37 -08:00
LANGUAGE-BINDINGS.md Update branch name to "main" in README/LANGUAGE_BINDINGS (#8727) 2021-09-01 15:26:34 -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 Skip directory fsync for filesystem btrfs (#8903) 2021-11-03 12:21:27 -07:00
PLUGINS.md Add ZenFS to plugin list (#8218) 2021-04-22 11:12:40 -07:00
README.md Update branch name to "main" in README/LANGUAGE_BINDINGS (#8727) 2021-09-01 15:26:34 -07:00
ROCKSDB_LITE.md Fix some typos in comments and docs. 2018-03-08 10:27:25 -08:00
src.mk Experimental support for SST unique IDs (#8990) 2021-10-18 23:32:01 -07:00
TARGETS internal_repo_rocksdb/repo 2021-10-29 19:34:39 -07:00
thirdparty.inc Fix build jemalloc api (#5470) 2019-06-24 17:40:32 -07:00
USERS.md Update USERS.md (#8923) 2021-10-01 16:10:35 -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

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.

Design discussions are conducted in https://www.facebook.com/groups/rocksdb.dev/ and https://rocksdb.slack.com/

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.