A library that provides an embeddable, persistent key-value store for fast storage.
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Peter Dillinger 92731b6b4a Major CircleCI/Linux fixes / tweaks / enhancements (#7078)
Summary:
Primarily, this change adds a way to work around a bug limiting the effective output (and therefore debugability) of the Linux builds using parallel make. We would get
make[1]: write error: stdout
probably due to a kernel bug, apparently affecting both available ubuntu 16 machine images (maybe not affecting docker images, less horsepower). https://bugs.launchpad.net/ubuntu/+source/linux-signed/+bug/1814393

Now in the CircleCI config, make output on Ubuntu is piped through a custom 'cat' that ignores EAGAIN errors, which seems to fix the problem.

Significant other changes:
* Add another linux build that combines
  * LIB_MODE=shared, to ensure this works with compile and unit test execution
  * Alternative rocksdb namespace, to ensure this works (not rely on Travis)
  * ASSERT_STATUS_CHECKED=1, but with building all unit tests and running those expected to pass with it
* Run release build with and without gflags. (Was running only without, ignore large swaths of code in a normal release build! Two regressions in this build, only with gflags, in the last week not caught by CI!)
* Use gflags with unity and LITE build, as typical case.

Debugability improvements:
* Use V=1 to show commands being executed (thanks to EAGAIN work-around)
* Print kernel version and compiler versions as part of V=1 output from Makefile

Cosmetic other changes:
* Put more commands on one line, for less clutter in CircleCI output pages
* Remove redundant "all" in "make all check" and put make command options before targets
* Change some recursive "make clean" into dependency on "clean," toward minimizing unnecessary overhead (detect platform, build version, etc.) of extra recursive makes

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7078

Reviewed By: siying

Differential Revision: D22391647

Pulled By: pdillinger

fbshipit-source-id: d446fccf5a8c568b37dc8748621c8a5c546fe135
2020-07-07 11:25:46 -07:00
.circleci Major CircleCI/Linux fixes / tweaks / enhancements (#7078) 2020-07-07 11:25:46 -07:00
.github/workflows Clean up some code related to file checksums (#6861) 2020-05-21 08:12:51 -07:00
buckifier Fix test in buck test (#7076) 2020-07-02 20:28:45 -07:00
build_tools Use Libraries in the RocksDB Makefile Build (#6660) 2020-06-30 19:33:31 -07:00
cache Revert "Update googletest from 1.8.1 to 1.10.0 (#6808)" (#6923) 2020-06-03 15:55:03 -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 Move the blob file format related classes to the main namespace, rename reader/writer (#7086) 2020-07-06 17:18:14 -07:00
db_stress_tool Fix release build caused by #7067 (#7077) 2020-07-02 20:53:08 -07:00
docs Log warning for high bits/key in legacy Bloom filter (#6312) 2020-01-17 19:37:35 -08:00
env Move away from direct TmpDir() call in some tests (#7030) 2020-06-25 12:09:57 -07:00
examples add WITH_EXAMPLES options to cmake and cleanups. (#6580) 2020-06-18 18:00:04 -07:00
file Extend Get/MultiGet deadline support to table open (#6982) 2020-06-29 14:53:17 -07:00
hdfs fix build with 'USE_HDFS' on windows (#6950) 2020-06-12 16:21:50 -07:00
include/rocksdb BackupEngine verifies table file checksums on creating new backups (#7015) 2020-07-02 18:15:12 -07:00
java Add DB::OpenAsSecondary to RocksJava (#7047) 2020-07-06 11:48:57 -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 Fix more defects reported by Coverity Scan (#6935) 2020-06-04 15:35:08 -07:00
monitoring Replace reinterpret_cast with static_cast_with_check (#7067) 2020-07-02 19:25:41 -07:00
options Test CircleCI with CLANG-10 (#7025) 2020-06-24 16:22:49 -07:00
port build fixes for GNU/kFreeBSD (#6992) 2020-06-18 09:51:28 -07:00
table Un-revert #7049, revert #7022 (#7071) 2020-07-02 13:30:41 -07:00
test_util Remove racially charged terms "whitelist" and "blacklist" (#7008) 2020-06-19 15:27:32 -07:00
third-party Revert "Update googletest from 1.8.1 to 1.10.0 (#6808)" (#6923) 2020-06-03 15:55:03 -07:00
tools Replace reinterpret_cast with static_cast_with_check (#7067) 2020-07-02 19:25:41 -07:00
trace_replay Fix unity build broken by #7007 (#7024) 2020-06-24 13:40:48 -07:00
util Replace reinterpret_cast with static_cast_with_check (#7067) 2020-07-02 19:25:41 -07:00
utilities Move the blob file format related classes to the main namespace, rename reader/writer (#7086) 2020-07-06 17:18:14 -07:00
.clang-format A script that automatically reformat affected lines 2014-01-14 12:21:24 -08:00
.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 More Makefile clean-up (#7066) 2020-07-06 11:19:48 -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 freebsd: malloc_usable_size check malloc_np.h (#7009) 2020-06-25 17:30:27 -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 BackupEngine verifies table file checksums on creating new backups (#7015) 2020-07-02 18:15:12 -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 Major CircleCI/Linux fixes / tweaks / enhancements (#7078) 2020-07-07 11:25:46 -07:00
README.md Add CircleCI gadget (#7028) 2020-06-25 10:30:33 -07:00
ROCKSDB_LITE.md Fix some typos in comments and docs. 2018-03-08 10:27:25 -08:00
src.mk Use Libraries in the RocksDB Makefile Build (#6660) 2020-06-30 19:33:31 -07:00
TARGETS Fix test in buck test (#7076) 2020-07-02 20:28:45 -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

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/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.