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Yueh-Hsuan Chiang d781da8164 Add CheckOptionsCompatibility() API to options_util 
Summary:
Add CheckOptionsCompatibility() API to options_util that returns
Status::OK if the input DBOptions and ColumnFamilyDescriptors
are compatible with the latest options stored in the specified DB path.

Test Plan: Added tests in options_util_test

Reviewers: igor, anthony, IslamAbdelRahman, rven, sdong

Reviewed By: sdong

Subscribers: dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D50649
 		2015-11-12 16:52:51 -08:00
arcanist_util Don't spew warnings when flint doesn't exist 2015-10-19 18:47:59 -07:00
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db Don't merge WriteBatch-es if WAL is disabled 2015-11-12 10:50:38 -08:00
doc Remove seek compaction 2014-06-20 10:23:02 +02:00
examples Add OptionsUtil::LoadOptionsFromFile() API 2015-11-12 06:52:43 -08:00
hdfs [Cleanup] Remove RandomRWFile 2015-08-12 10:18:59 -07:00
include/rocksdb Add CheckOptionsCompatibility() API to options_util 2015-11-12 16:52:51 -08:00
java options: add recycle_log_file_num option 2015-10-18 21:21:24 -04:00
memtable Enable C4305 'identifier' : truncation from 'type1' to 'type2' 2015-11-06 16:44:39 -08:00
port Make use of portable `uint64_t` type to make possible file access 2015-11-10 17:03:42 -08:00
table Add OptionsUtil::LoadOptionsFromFile() API 2015-11-12 06:52:43 -08:00
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tools Fix compilation problem on Windows. 2015-10-29 11:29:18 -07:00
util Add OptionsUtil::LoadOptionsFromFile() API 2015-11-12 06:52:43 -08:00
utilities Add CheckOptionsCompatibility() API to options_util 2015-11-12 16:52:51 -08:00
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CONTRIBUTING.md facebook accounts are not required for CLA signers 2014-07-08 05:57:54 -04:00
DUMP_FORMAT.md First version of rocksdb_dump and rocksdb_undump. 2015-06-19 16:24:36 -07:00
HISTORY.md Add CheckOptionsCompatibility() API to options_util 2015-11-12 16:52:51 -08:00
INSTALL.md Update 4 is required for building with MS Visual Studio 13 2015-10-15 11:06:02 -07:00
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Makefile Add OptionsUtil::LoadOptionsFromFile() API 2015-11-12 06:52:43 -08:00
PATENTS Update Patent Grant. 2015-04-13 10:33:43 +01:00
README.md Replaced "built on on earlier work" by "built on earlier work" in README.md 2014-09-17 01:16:17 -07:00
ROCKSDB_LITE.md Optimistic Transactions 2015-05-29 14:36:35 -07:00
USERS.md Add Cloudera's blog post to USERS.md 2015-09-02 14:04:51 -07:00
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README.md

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

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/