Facebook goes open source with its workhorse embedded data store

Facebook's RocksDB is an embeddable, persistent key-value store designed for fast reads and writes

By , IDG News Service |  Software

Facebook also modified LevelDB so that it can be run across many processor cores of a server. Because of this work, it can support extremely fast I/O: Facebook tests showed that the data store can perform 10 times faster for random writes, as well as 30 percent faster for random reads over LevelDB.

Borthakur offered a few details of how Facebook uses RocksDB in production. In one configuration, the data store is run in front of 10 solid-state drives, striped to support a million reads and writes a second. The software now manages over a petabyte of data that it regularly serves to Facebook's users.

Joab Jackson covers enterprise software and general technology breaking news for The IDG News Service. Follow Joab on Twitter at @Joab_Jackson. Joab's e-mail address is Joab_Jackson@idg.com

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