A library that provides an embeddable, persistent key-value store for fast storage.
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Tamir Duberstein 0dc3040d54 db: avoid #includeing malloc and jemalloc simultaneously
Summary:
This fixes a compilation failure on Linux when the system libc is not
glibc. jemalloc's configure script incorrectly assumes that glibc is
always used on Linux systems, producing glibc-style signatures; when
the system libc is e.g. musl, the following error is observed:

```
  [  0%] Building CXX object CMakeFiles/rocksdb.dir/db/db_impl.cc.o
  In file included from /go/src/github.com/cockroachdb/cockroach/c-deps/rocksdb.src/table/block.h:19:0,
                   from /go/src/github.com/cockroachdb/cockroach/c-deps/rocksdb.src/db/db_impl.cc:77:
  /x-tools/x86_64-unknown-linux-musl/x86_64-unknown-linux-musl/sysroot/usr/include/malloc.h:19:8: error: declaration of 'size_t malloc_usable_size(void*)' has a different exception specifier
   size_t malloc_usable_size(void *);
          ^~~~~~~~~~~~~~~~~~
  In file included from /go/src/github.com/cockroachdb/cockroach/c-deps/rocksdb.src/db/db_impl.cc:20:0:
  /go/native/x86_64-unknown-linux-musl/jemalloc/include/jemalloc/jemalloc.h:78:33: note: from previous declaration 'size_t malloc_usable_size(void*) throw ()'
   #  define je_malloc_usable_size malloc_usable_size
                                   ^
  /go/native/x86_64-unknown-linux-musl/jemalloc/include/jemalloc/jemalloc.h:239:41: note: in expansion of macro 'je_malloc_usable_size'
   JEMALLOC_EXPORT size_t JEMALLOC_NOTHROW je_malloc_usable_size(
                                           ^~~~~~~~~~~~~~~~~~~~~
  CMakeFiles/rocksdb.dir/build.make:350: recipe for target 'CMakeFiles/rocksdb.dir/db/db_impl.cc.o' failed
```

This works around the issue by rearranging the sources such that
jemalloc's headers are never in the same scope as the system's malloc
header. The jemalloc issue has been reported as well, see:
https://github.com/jemalloc/jemalloc/issues/778.

cc tschottdorf
Closes https://github.com/facebook/rocksdb/pull/2188

Differential Revision: D5163048

Pulled By: siying

fbshipit-source-id: c553125458892def175c1be5682b0330d80b2a0d
2017-05-31 22:43:02 -07:00
arcanist_util Fix arc setting for Facebook internal tools 2017-02-02 13:24:16 -08:00
buckifier update buckifer/TARGETS 2017-05-24 11:56:57 -07:00
build_tools update buckifer/TARGETS 2017-05-24 11:56:57 -07:00
cache Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
cmake/modules CMake: more MinGW fixes 2017-04-06 14:09:13 -07:00
coverage Fix coverage script 2014-11-03 14:53:00 -08:00
db db: avoid #includeing malloc and jemalloc simultaneously 2017-05-31 22:43:02 -07:00
docs RocksDB 5.4.5 release blog post 2017-05-26 23:11:56 -07:00
env New API for background work in single thread pool 2017-05-23 11:12:27 -07:00
examples CMake: more MinGW fixes 2017-04-06 14:09:13 -07:00
hdfs New API for background work in single thread pool 2017-05-23 11:12:27 -07:00
include/rocksdb Histogram of number of merge operands 2017-05-31 07:41:44 -07:00
java support merge and delete in file ingestion 2017-05-26 12:11:21 -07:00
memtable Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
monitoring Core-local statistics 2017-05-23 10:42:59 -07:00
options Reorder variables of ReadOptions 2017-05-26 11:41:20 -07:00
port New API for background work in single thread pool 2017-05-23 11:12:27 -07:00
table support merge and delete in file ingestion 2017-05-26 12:11:21 -07:00
third-party fixed typo 2017-05-16 11:07:58 -07:00
tools fix regression test 2017-05-31 15:41:45 -07:00
util Avoid unsupported attributes when not building with UBSAN 2017-05-30 11:13:01 -07:00
utilities Fixing blob db sequence number handling 2017-05-31 10:56:45 -07:00
.clang-format A script that automatically reformat affected lines 2014-01-14 12:21:24 -08:00
.deprecated_arcconfig Update ShipIt to honor TARGETS updates 2017-04-13 16:12:03 -07:00
.gitignore Simple blob file dumper 2017-05-23 10:42:59 -07:00
.travis.yml travis: reduce the number of travis builders 2017-05-30 10:42:01 -07:00
appveyor.yml Rework test running script. 2017-04-05 11:39:20 -07:00
AUTHORS Add AUTHORS file. Fix #203 2014-09-29 10:52:18 -07:00
CMakeLists.txt db: avoid #includeing malloc and jemalloc simultaneously 2017-05-31 22:43:02 -07:00
CONTRIBUTING.md facebook accounts are not required for CLA signers 2014-07-08 05:57:54 -04:00
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 Introduce max_background_jobs mutable option 2017-05-24 11:29:08 -07:00
INSTALL.md cross-platform compatibility improvements 2017-05-15 16:15:38 -07:00
LANGUAGE-BINDINGS.md Adding Dlang to the list 2017-02-16 17:24:10 -08:00
LICENSE Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
Makefile Fixing blob db sequence number handling 2017-05-31 10:56:45 -07:00
PATENTS Update Patent Grant. 2015-04-13 10:33:43 +01:00
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 db: avoid #includeing malloc and jemalloc simultaneously 2017-05-31 22:43:02 -07:00
TARGETS db: avoid #includeing malloc and jemalloc simultaneously 2017-05-31 22:43:02 -07:00
thirdparty.inc Introduce XPRESS compresssion on Windows. (#1081) 2016-04-19 22:54:24 -07:00
USERS.md Update USERS.md add user Pika 2017-01-25 10:39:17 -08:00
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/