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Hao Chen ffe08ffcc2 correct level information in version_set.cc (#6920) 
Summary:
fix these two issues https://github.com/facebook/rocksdb/issues/6912  and https://github.com/facebook/rocksdb/issues/6667
Pull Request resolved: https://github.com/facebook/rocksdb/pull/6920

Reviewed By: cheng-chang

Differential Revision: D21864885

Pulled By: ajkr

fbshipit-source-id: 10e21fc1851b67a59d44358f59c64fa5523bd263
2020-06-03 12:27:13 -07:00
.circleci pin image version in circle CI builds (#6876) 2020-05-23 21:23:27 -07:00
.github/workflows Clean up some code related to file checksums (#6861) 2020-05-21 08:12:51 -07:00
buckifier Allow missing "unversioned" python, as in CentOS 8 (#6883) 2020-05-29 11:29:23 -07:00
build_tools Allow missing "unversioned" python, as in CentOS 8 (#6883) 2020-05-29 11:29:23 -07:00
cache Update googletest from 1.8.1 to 1.10.0 (#6808) 2020-06-01 20:33:42 -07:00
cmake Add find_dependency() in cmake config file. (#6791) 2020-05-12 21:18:29 -07:00
coverage Find the correct gcov (#6904) 2020-06-01 16:33:05 -07:00
db correct level information in version_set.cc (#6920) 2020-06-03 12:27:13 -07:00
db_stress_tool Fix potential overflow of unsigned type in for loop (#6902) 2020-06-02 15:05:07 -07:00
docs Log warning for high bits/key in legacy Bloom filter (#6312) 2020-01-17 19:37:35 -08:00
env Fix potential overflow of unsigned type in for loop (#6902) 2020-06-02 15:05:07 -07:00
examples Add missing my_pid to fprintf in multi_process_example (#6731) 2020-05-08 20:49:33 -07:00
file Some fixes for gcc 4.8 and add to Travis (#6915) 2020-06-03 11:39:25 -07:00
hdfs prototype status check enforcement (#6798) 2020-05-08 12:40:43 -07:00
include/rocksdb Add zstd_max_train_bytes to c interop (#6796) 2020-06-03 12:27:12 -07:00
java Add newer WBWI::NewIteratorWithBase functions to RocksJava (#6872) 2020-05-27 11:59:12 -07:00
logging Fix info log source file display length (#5824) 2020-04-08 20:18:08 -07:00
memory C++20 compatibility (#6697) 2020-04-20 13:24:25 -07:00
memtable C++20 compatibility (#6697) 2020-04-20 13:24:25 -07:00
monitoring Fix FilterBench when RTTI=0 (#6732) 2020-04-29 13:09:23 -07:00
options Add OptionTypeInfo::Vector to parse/serialize vectors (#6424) 2020-06-03 12:23:07 -07:00
port Posix threads (#6865) 2020-06-03 12:01:57 -07:00
table Fix handling of too-small filter partition size (#6905) 2020-06-03 10:43:01 -07:00
test_util Reduce dependency on gtest dependency in release code (#6907) 2020-06-02 12:11:24 -07:00
third-party Update googletest from 1.8.1 to 1.10.0 (#6808) 2020-06-01 20:33:42 -07:00
tools For ApproximateSizes, pro-rate table metadata size over data blocks (#6784) 2020-06-02 12:30:23 -07:00
trace_replay Fix multiple CF replay failure in db_bench replay (#6787) 2020-05-01 00:03:38 -07:00
util Fix potential overflow of unsigned type in for loop (#6902) 2020-06-02 15:05:07 -07:00
utilities Fix potential overflow of unsigned type in for loop (#6902) 2020-06-02 15:05:07 -07:00
.clang-format
.gitignore Allow missing "unversioned" python, as in CentOS 8 (#6883) 2020-05-29 11:29:23 -07:00
.lgtm.yml Create lgtm.yml for LGTM.com C/C++ analysis (#4058) 2018-06-26 12:43:04 -07:00
.travis.yml Some fixes for gcc 4.8 and add to Travis (#6915) 2020-06-03 11:39:25 -07:00
.watchmanconfig Added .watchmanconfig file to rocksdb repo (#5593) 2019-07-19 15:00:33 -07:00
appveyor.yml C++20 compatibility (#6697) 2020-04-20 13:24:25 -07:00
AUTHORS Update RocksDB Authors File 2017-10-18 14:42:10 -07:00
CMakeLists.txt Posix threads (#6865) 2020-06-03 12:01:57 -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
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
HISTORY.md For ApproximateSizes, pro-rate table metadata size over data blocks (#6784) 2020-06-02 12:30:23 -07:00
INSTALL.md Update the version of the dependencies used by the RocksJava static build (#4761) 2018-12-18 20:25:43 -08:00
issue_template.md Add Google Group to Issue Template 2020-01-28 14:40:37 -08:00
LANGUAGE-BINDINGS.md LANGUAGE-BINDINGS.md: mention python-rocksdb 2019-03-20 11:10:48 -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 Some fixes for gcc 4.8 and add to Travis (#6915) 2020-06-03 11:39:25 -07:00
README.md Add Slack forum to README (#6773) 2020-04-30 11:00:28 -07:00
ROCKSDB_LITE.md Fix some typos in comments and docs. 2018-03-08 10:27:25 -08:00
src.mk Update googletest from 1.8.1 to 1.10.0 (#6808) 2020-06-01 20:33:42 -07:00
TARGETS Update googletest from 1.8.1 to 1.10.0 (#6808) 2020-06-01 20:33:42 -07:00
thirdparty.inc Fix build jemalloc api (#5470) 2019-06-24 17:40:32 -07:00
USERS.md Add YugabyteDB to USERS (#6786) 2020-05-06 10:28:29 -07:00
Vagrantfile Adding CentOS 7 Vagrantfile & build script 2018-02-26 15:27:17 -08:00
WINDOWS_PORT.md #5145 , rename port/dirent.h to port/port_dirent.h to avoid compile err when use port dir as header dir output (#5152) 2019-04-04 11:38:19 -07:00

README.md

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

Linux/Mac Build Status Windows Build status PPC64le Build 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/master/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.