A library that provides an embeddable, persistent key-value store for fast storage.
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Yanqin Jin 17a3c25564 Fix a bug in file ingestion (#5760)
Summary:
Before this PR, when the number of column families involved in a file ingestion exceeds 2, a bug in the looping logic prevents correct file number being assigned to each ingestion job.
Also skip deleting non-existing hard links during cleanup-after-failure.

Test plan (devserver)
```
$COMPILE_WITH_ASAN=1 make all
$./external_sst_file_test --gtest_filter=ExternalSSTFileTest/ExternalSSTFileTest.IngestFilesIntoMultipleColumnFamilies_*/*
$makke check
```
Pull Request resolved: https://github.com/facebook/rocksdb/pull/5760

Differential Revision: D17142982

Pulled By: riversand963

fbshipit-source-id: 06c1847a4e7a402647bcf28d124e70f2a0f9daf6
2019-09-03 13:05:22 -07:00
buckifier Add support for loading dynamic libraries into the RocksDB environment (#5281) 2019-06-03 23:02:56 -07:00
build_tools build on ARM64 (#5450) 2019-06-18 11:27:45 -07:00
cache Export Cache::GetCharge (#5476) 2019-06-24 10:19:31 -07:00
cmake Make FindZLIB consistent with official definitions (#4823) 2019-01-02 12:49:57 -08:00
coverage Add copyright headers per FB open-source checkup tool. (#5199) 2019-04-18 10:55:01 -07:00
db Fix a bug in file ingestion (#5760) 2019-09-03 13:05:22 -07:00
docs Text lint all .gitignore files 2019-05-15 11:37:27 -07:00
env Dynamic test whether sync_file_range returns ENOSYS (#5416) 2019-06-13 13:56:10 -07:00
examples simplify include directive involving inttypes (#5402) 2019-06-06 13:56:07 -07:00
file Fix bugs in WAL trash file handling (#5520) 2019-07-12 13:58:35 -07:00
hdfs Add copyright headers per FB open-source checkup tool. (#5199) 2019-04-18 10:55:01 -07:00
include/rocksdb Disable snapshot refresh feature when snap_refresh_nanos is 0 (#5724) 2019-08-20 13:20:32 -07:00
java Switch Travis to Xenial build (#4789) 2019-06-17 10:20:02 -07:00
logging Fix regression bug of Auto rolling logger when handling failures (#5622) 2019-07-24 12:57:07 -07:00
memory Move some logging related files to logging/ (#5387) 2019-05-31 17:23:59 -07:00
memtable simplify include directive involving inttypes (#5402) 2019-06-06 13:56:07 -07:00
monitoring fix rocksdb lite and clang contrun test failures (#5477) 2019-06-17 21:16:29 -07:00
options Persistent Stats: persist stats history to disk (#5046) 2019-06-17 15:21:50 -07:00
port fix compilation error on MSVC (#5458) 2019-06-14 11:28:13 -07:00
table Fix regression affecting partitioned indexes/filters when cache_index_and_filter_blocks is false (#5705) 2019-08-15 12:54:34 -07:00
test_util simplify include directive involving inttypes (#5402) 2019-06-06 13:56:07 -07:00
third-party/gtest-1.7.0/fused-src/gtest remove bundled but unused fbson library (#5108) 2019-03-26 16:37:52 -07:00
tools Block cache tracing: Fix minor bugs with downsampling and some benchmark results. (#5473) 2019-06-17 17:59:02 -07:00
trace_replay Block cache tracer: Do not populate block cache trace record when tracing is disabled. (#5510) 2019-07-10 12:08:55 -07:00
util MultiGet parallel IO (#5464) 2019-07-12 15:38:53 -07:00
utilities Fix bugs in WAL trash file handling (#5520) 2019-07-12 13:58:35 -07:00
.clang-format A script that automatically reformat affected lines 2014-01-14 12:21:24 -08:00
.gitignore Add support for loading dynamic libraries into the RocksDB environment (#5281) 2019-06-03 23:02:56 -07:00
.lgtm.yml Create lgtm.yml for LGTM.com C/C++ analysis (#4058) 2018-06-26 12:43:04 -07:00
.travis.yml Switch Travis to Xenial build (#4789) 2019-06-17 10:20:02 -07:00
appveyor.yml Add RocksJava build to AppVeyor 2019-01-03 10:44:44 -08:00
AUTHORS Update RocksDB Authors File 2017-10-18 14:42:10 -07:00
CMakeLists.txt Persistent Stats: persist stats history to disk (#5046) 2019-06-17 15:21:50 -07:00
CODE_OF_CONDUCT.md Add Code of Conduct 2017-12-05 18:42:35 -08:00
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 Add copyright headers per FB open-source checkup tool. (#5199) 2019-04-18 10:55:01 -07:00
DUMP_FORMAT.md First version of rocksdb_dump and rocksdb_undump. 2015-06-19 16:24:36 -07:00
HISTORY.md Fix a bug in file ingestion (#5760) 2019-09-03 13:05:22 -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 a template for issues 2017-09-29 11:41:28 -07:00
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 Update the version of ZStd for the Rocks Java static build 2019-06-18 11:57:01 -07:00
README.md Add LevelDB repository link in the Readme 2019-04-01 18:19:09 -07:00
ROCKSDB_LITE.md Fix some typos in comments and docs. 2018-03-08 10:27:25 -08:00
src.mk Support computing miss ratio curves using sim_cache. (#5449) 2019-06-17 16:41:12 -07:00
TARGETS Persistent Stats: persist stats history to disk (#5046) 2019-06-17 15:21:50 -07:00
thirdparty.inc Add copyright headers per FB open-source checkup tool. (#5199) 2019-04-18 10:55:01 -07:00
USERS.md Add Alluxio to USERS.md (#5434) 2019-06-13 12:25:26 -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

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 specially 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/

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.