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akankshamahajan 6ba4717f35 Fix build error: variable 'base_level' may be uninitialized (#11435)
Summary:
Fix build error: variable 'base_level' may be uninitialized
```
 db_impl_compaction_flush.cc:1195:21: error: variable 'base_level' may be uninitialized when used here [-Werror,-Wconditional-uninitialized]
            level = base_level;
```
                    ^~~~~~~~~~

Pull Request resolved: https://github.com/facebook/rocksdb/pull/11435

Test Plan: CircleCI jobs

Reviewed By: cbi42

Differential Revision: D45708176

Pulled By: akankshamahajan15

fbshipit-source-id: 851b1205b22b63d728495e5735fa91b0ad8e012b
2023-05-09 15:43:43 -07:00
.circleci Revert enabling IO uring in db_stress (#11242) 2023-02-21 12:53:55 -08:00
.github/workflows ci: add GitHub token permissions for workflow (#10549) 2022-10-04 12:10:30 -07:00
buckifier Fix duplicate symbols in linking with buck2 (#11421) 2023-05-01 10:45:36 -07:00
build_tools Remove platform009 and default to platform010 (#11333) 2023-03-30 09:56:37 -07:00
cache Avoid long parameter lists configuring Caches (#11386) 2023-05-01 14:52:01 -07:00
cmake gcc-11 and cmake related cleanup (#9286) 2021-12-17 17:04:35 -08:00
coverage Remove platform009 and default to platform010 (#11333) 2023-03-30 09:56:37 -07:00
db Fix build error: variable 'base_level' may be uninitialized (#11435) 2023-05-09 15:43:43 -07:00
db_stress_tool Block per key-value checksum (#11287) 2023-04-25 12:08:23 -07:00
docs Remove docs/Gemfile.lock and update github-pages version (#11173) 2023-02-14 12:17:23 -08:00
env Ignore async_io ReadOption if FileSystem doesn't support it (#11296) 2023-03-17 14:57:09 -07:00
examples Remove RocksDB LITE (#11147) 2023-01-27 13:14:19 -08:00
file Record and use the tail size to prefetch table tail (#11406) 2023-05-08 13:14:28 -07:00
fuzz Block per key-value checksum (#11287) 2023-04-25 12:08:23 -07:00
include/rocksdb Record and use the tail size to prefetch table tail (#11406) 2023-05-08 13:14:28 -07:00
java Group rocksdb.sst.read.micros stat by IOActivity flush and compaction (#11288) 2023-04-21 09:07:18 -07:00
logging Disabling some IO error assertion in EnvLogger (#11314) 2023-03-20 13:23:29 -07:00
memory Shard JemallocNodumpAllocator (#11400) 2023-05-01 10:14:43 -07:00
memtable remove redundant move (#11418) 2023-05-03 09:37:21 -07:00
microbench Group rocksdb.sst.read.micros stat by IOActivity flush and compaction (#11288) 2023-04-21 09:07:18 -07:00
monitoring Changes and enhancements to compression stats, thresholds (#11388) 2023-04-21 21:57:40 -07:00
options Organize + modernize ReadOptions (#11430) 2023-05-08 12:50:04 -07:00
plugin Add initial CMake support to plugin (#9214) 2021-11-30 17:16:53 -08:00
port Optionally support lldb for stack traces and debugger attach (#11413) 2023-05-01 14:12:40 -07:00
table Record and use the tail size to prefetch table tail (#11406) 2023-05-08 13:14:28 -07:00
test_util Fix compression tests when snappy not available (#11396) 2023-04-22 12:41:36 -07:00
third-party fix optimization-disabled test builds with platform010 (#11361) 2023-04-10 13:59:44 -07:00
tools remove redundant move (#11418) 2023-05-03 09:37:21 -07:00
trace_replay Fix error maybe-uninitialized #11100 (#11101) 2023-01-19 13:59:48 -08:00
util Changes and enhancements to compression stats, thresholds (#11388) 2023-04-21 21:57:40 -07:00
utilities Deflake some old BlobDB test cases (#11417) 2023-04-28 14:07:45 -07:00
.clang-format
.gitignore remove redundant move (#11418) 2023-05-03 09:37:21 -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 Update RocksDB Authors File 2017-10-18 14:42:10 -07:00
CMakeLists.txt New stat rocksdb.{cf|db}-write-stall-stats exposed in a structural way (#11300) 2023-03-18 09:51:58 -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 Add Options::DisableExtraChecks, clarify force_consistency_checks (#9363) 2022-01-18 17:31:03 -08:00
DUMP_FORMAT.md First version of rocksdb_dump and rocksdb_undump. 2015-06-19 16:24:36 -07:00
HISTORY.md Record and use the tail size to prefetch table tail (#11406) 2023-05-08 13:14:28 -07:00
INSTALL.md Add instructions for installing googlebenchmark (#11282) 2023-03-09 13:11:00 -08:00
LANGUAGE-BINDINGS.md Add grocksdb in Go language bindings (#10498) 2022-08-23 15:02:10 -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 util/ribbon_test.cc: avoid ambiguous reversed operator error in c++20 (#11371) 2023-04-12 13:24:34 -07:00
PLUGINS.md Added encryption plugin based on Intel open-source ipp-crypto library (#11429) 2023-05-08 12:13:43 -07:00
README.md Remove deprecated integration tests from README.md (#11354) 2023-04-07 16:52:50 -07:00
TARGETS Fix duplicate symbols in linking with buck2 (#11421) 2023-05-01 10:45:36 -07:00
USERS.md Add more users (#11369) 2023-05-03 10:47:41 -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
common.mk Clean up variables for temporary directory (#9961) 2022-05-06 16:38:06 -07:00
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
issue_template.md Add Google Group to Issue Template 2020-01-28 14:40:37 -08:00
rocksdb.pc.in build: fix pkg-config file generation (#9953) 2022-05-30 12:46:40 -07:00
src.mk New stat rocksdb.{cf|db}-write-stall-stats exposed in a structural way (#11300) 2023-03-18 09:51:58 -07:00
thirdparty.inc Fix build jemalloc api (#5470) 2019-06-24 17:40:32 -07:00

README.md

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

CircleCI 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/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.