Percona Server 5.5.27-28.1

Percona is glad to announce the release of Percona Server 5.5.27-28.1 on September 5th, 2012 (Downloads are available here and from the Percona Software Repositories).

Based on MySQL 5.5.27, including all the bug fixes in it, Percona Server 5.5.27-28.1 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 5.5.27-28.1 milestone at Launchpad.

Bug Fixes

Percona Server 5.5.27-28.0 would crash or deadlock in XtraDB buffer pool code. This was caused by incorrect mutex handling in porting of the recently introduced InnoDB code to XtraDB. Bug fixed #1038225 (Laurynas Biveinis).

Variables innodb_adaptive_flushing_method and innodb_flush_neighbor_pages would not correctly translate some values internally. Bug fixed #1039384 (Laurynas Biveinis).

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