Percona is glad to announce the release of Percona Server for MySQL 5.5.30-30.1 on March 7, 2013 (Downloads are available here and from the Percona Software Repositories). Based on MySQL 5.5.30, including all the bug fixes in it, Percona Server 5.5.30-30.1 is now the current stable release in the 5.5 series. All of Percona‘s software is open-source and free, all the details of the release can be found in the 5.5.30-30.1 milestone at Launchpad.
current_thdcalls. Bug fixed #1121794 (Alexey Kopytov).
srv_pass_corrupt_tablevariable could share CPU cache lines with InnoDB row counters, which resulted in high false sharing effect in high-concurrent workloads. Bug fixed #1125259 (Alexey Kopytov).
Other bug fixes in Percona Server for MySQL 5.5.30-30.1: bug fixed #1089265 (Laurynas Biveinis).
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