A library that provides an embeddable, persistent key-value store for fast storage.
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Prashant D 602fe9454c Fix coverity issues in include/rocksdb
Summary:
include/rocksdb/metadata.h:
struct ColumnFamilyMetaData {

CID 1322804 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR)
2. uninit_member: Non-static class member file_count is not initialized in this constructor nor in any functions that it calls.

struct SstFileMetaData {
        2. uninit_member: Non-static class member size is not initialized in this constructor nor in any functions that it calls.
        4. uninit_member: Non-static class member smallest_seqno is not initialized in this constructor nor in any functions that it calls.
        6. uninit_member: Non-static class member largest_seqno is not initialized in this constructor nor in any functions that it calls.
        8. uninit_member: Non-static class member num_reads_sampled is not initialized in this constructor nor in any functions that it calls.

CID 1322807 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR)
10. uninit_member: Non-static class member being_compacted is not initialized in this constructor nor in any functions that it calls.

include/rocksdb/sst_file_writer.h:
struct ExternalSstFileInfo {
        2. uninit_member: Non-static class member sequence_number is not initialized in this constructor nor in any functions that it calls.
        4. uninit_member: Non-static class member file_size is not initialized in this constructor nor in any functions that it calls.
        6. uninit_member: Non-static class member num_entries is not initialized in this constructor nor in any functions that it calls.

CID 1351697 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR)
8. uninit_member: Non-static class member version is not initialized in this constructor nor in any functions that it calls.
 31  ExternalSstFileInfo() {}

include/rocksdb/utilities/transaction.h:
explicit Transaction(const TransactionDB* db) {}
        2. uninit_member: Non-static class member log_number_ is not initialized in this constructor nor in any functions that it calls.

CID 1396133 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR)
4. uninit_member: Non-static class member field txn_state_._M_i is not initialized in this constructor nor in any functions that it calls.
473  Transaction() {}
Closes https://github.com/facebook/rocksdb/pull/3100

Differential Revision: D6227651

Pulled By: sagar0

fbshipit-source-id: 5caa4a2cf9471d1f9c3c073f81473636e1f0aa14
2017-11-02 17:56:48 -07:00
buckifier rocksdb: make buildable on aarch64 2017-08-13 17:13:54 -07:00
build_tools fix lite build 2017-10-17 08:57:09 -07:00
cache Fix coverity uninitialized fields warnings in lru_cache 2017-10-27 11:26:43 -07:00
cmake CMake: Add support for CMake packages 2017-08-28 17:14:37 -07:00
coverage Fix /bin/bash shebangs 2017-08-03 15:56:46 -07:00
db Blob DB: Add compaction filter to remove expired blob index entries 2017-11-02 17:27:38 -07:00
docs Blog post for 5.8 release 2017-09-28 10:14:09 -07:00
env Make writable_file_max_buffer_size dynamic 2017-10-31 13:56:35 -07:00
examples Pinnableslice examples and blog post 2017-08-24 12:26:07 -07:00
hdfs Revert "comment out unused parameters" 2017-07-21 18:26:26 -07:00
include/rocksdb Fix coverity issues in include/rocksdb 2017-11-02 17:56:48 -07:00
java Add Memtable Read Tier to RocksJava 2017-11-02 17:27:37 -07:00
memtable Enable MSVC W4 with a few exceptions. Fix warnings and bugs 2017-10-19 10:57:12 -07:00
monitoring HistogramStat: Handle divide by zero situation 2017-11-02 11:41:50 -07:00
options Added support for differential snapshots 2017-11-01 18:56:43 -07:00
port Make writable_file_max_buffer_size dynamic 2017-10-31 13:56:35 -07:00
table TableProperty::oldest_key_time defaults to 0 2017-10-27 15:00:05 -07:00
third-party Enable MSVC W4 with a few exceptions. Fix warnings and bugs 2017-10-19 10:57:12 -07:00
tools db_stress snapshot compatibility with reopens 2017-10-31 01:26:08 -07:00
util Make writable_file_max_buffer_size dynamic 2017-10-31 13:56:35 -07:00
utilities Blob DB: Add compaction filter to remove expired blob index entries 2017-11-02 17:27:38 -07:00
.clang-format A script that automatically reformat affected lines 2014-01-14 12:21:24 -08:00
.gitignore Remove leftover references to phutil_module_cache 2017-08-23 12:12:21 -07:00
.travis.yml fix lite build 2017-10-17 08:57:09 -07:00
appveyor.yml Add -DPORTABLE=1 to MSVC CI build 2017-08-31 16:42:48 -07:00
AUTHORS Update RocksDB Authors File 2017-10-18 14:42:10 -07:00
CMakeLists.txt WritePrepared Txn: Move DB class to its own file 2017-11-02 11:14:30 -07:00
CONTRIBUTING.md Remove the licensing description in CONTRIBUTING.md 2017-07-16 15:57:18 -07:00
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
DUMP_FORMAT.md First version of rocksdb_dump and rocksdb_undump. 2015-06-19 16:24:36 -07:00
HISTORY.md release 5.9 2017-11-01 21:26:14 -07:00
INSTALL.md Default one to rocksdb:x64-windows 2017-09-28 16:12:24 -07:00
issue_template.md Add a template for issues 2017-09-29 11:41:28 -07:00
LANGUAGE-BINDINGS.md add Erlang to the list of language bindings 2017-08-28 16:43:16 -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 PinnableSlice move assignment 2017-10-12 18:28:24 -07:00
README.md Appveyor badge to show master branch 2016-07-26 13:54:08 -07:00
ROCKSDB_LITE.md Optimistic Transactions 2015-05-29 14:36:35 -07:00
src.mk WritePrepared Txn: Move DB class to its own file 2017-11-02 11:14:30 -07:00
TARGETS WritePrepared Txn: Move DB class to its own file 2017-11-02 11:14:30 -07:00
thirdparty.inc Enable cacheline_aligned_alloc() to allocate from jemalloc if enabled. 2017-10-27 13:27:12 -07:00
USERS.md Add LogDevice to USERS.md 2017-09-25 15:56:40 -07:00
Vagrantfile Update Vagrant file (test internal phabricator workflow) 2016-10-28 15:39:19 -07:00
WINDOWS_PORT.md Commit both PR and internal code review changes 2015-07-07 16:58:20 -07:00

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

Build Status 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 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/