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Announcing Percona Server for MySQL 5.5.30-30.1

· Performance Zone

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This post comes from at the MySQL Performance Blog.

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.

Bugs Fixed:

  • Minor optimization cleanup by removing unnecessary current_thd calls. Bug fixed #1121794 (Alexey Kopytov).
  • Fixed the regression introduced with the fix for bug #1083058 which caused unnecessary mutex re-acquisitions in adaptive flushing. Bug fixed #1117067 (Laurynas Biveinis).
  • Percona Server would do unnecessary slow log stats accounting even with the slow log disabled. Bug fixed #1123915 (Alexey Kopytov).
  • Optimization cleanup to avoid calls related to extended slow query log stats when this feature is disabled. Bug fixed #1123921 (Alexey Kopytov).
  • The static srv_pass_corrupt_table variable 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).
  • Fixed the regression introduced with fix for bug #791030 in Percona Server5.5.13-20.4 by implementing an optimized version of the same function. Bug fixed #1130655 (Alexey Kopytov).
  • Bug fixed #1132350 (Alexey Kopytov).
  • Bug fixed #1132351 (Alexey Kopytov).

Other bug fixes in Percona Server for MySQL 5.5.30-30.1: bug fixed #1089265 (Laurynas Biveinis).

Release notes for Percona Server 5.5.30-30.1 are available in our online documentation. Bugs can be reported on the launchpad bug tracker.

See Forrester’s Report, “Vendor Landscape, Application Performance Management” to identify the right vendor to help IT deliver better service at a lower cost, brought to you in partnership with BMC.


Published at DZone with permission of Peter Zaitsev, DZone MVB. See the original article here.

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