Twitter's efforts to massively scale MySQL join a number of other products that target that specific need, such as Percona's recently released XtraDB cluster, Oracle's MySQL Cluster and .

In addition to the scalability enhancements, Twitter also added a number of other features as well to the free code. They include new internal status checks, which would allow users to monitor InnoDB performance more closely. The code also optimizes MySQL for use of SSDs (Solid-State Disks).

Twitter released the code on the eve of the , being held this week in Santa Clara, California. There, Cole and Arnau will be giving a presentation on Gizzard, Twitter's sharding and replication framework for MySQL.

Twitter posted the patches on , under a BSD (Berkeley Software Distribution) license.

The IDG News Service