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Ari Ekmekji 8b689546b6 Add Subcompactions to Universal Compaction Unit Tests 
Summary:
Now that the approach to parallelizing L0-L1 level-based
compactions by breaking the compaction job into subcompactions is
being extended to apply to universal compactions as well, the unit
tests need to account for this and run the universal compaction
tests with subcompactions both enabled and disabled.

Test Plan: make all && make check

Reviewers: sdong, igor, noetzli, anthony, yhchiang

Reviewed By: yhchiang

Subscribers: dhruba

Differential Revision: https://reviews.facebook.net/D45657
 		2015-08-31 12:59:02 -07:00
arcanist_util Fix linters on non-fb machines 2015-08-11 11:36:12 -07:00
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db Add Subcompactions to Universal Compaction Unit Tests 2015-08-31 12:59:02 -07:00
doc Remove seek compaction 2014-06-20 10:23:02 +02:00
examples Fix compact_files_example 2015-08-25 12:29:44 -07:00
hdfs [Cleanup] Remove RandomRWFile 2015-08-12 10:18:59 -07:00
include/rocksdb Add ZSTD (not final format) compression type 2015-08-28 11:01:13 -07:00
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table Add ZSTD (not final format) compression type 2015-08-28 11:01:13 -07:00
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tools Add ZSTD (not final format) compression type 2015-08-28 11:01:13 -07:00
util Add Subcompactions to Universal Compaction Unit Tests 2015-08-31 12:59:02 -07:00
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CONTRIBUTING.md facebook accounts are not required for CLA signers 2014-07-08 05:57:54 -04:00
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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
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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/