Percona Server 5.5.37-35.0

Percona is glad to announce the release of Percona Server 5.5.37-35.0 on May 6th, 2014. Downloads are available here and from the Percona Software Repositories.

Based on MySQL 5.5.37, including all the bug fixes in it, Percona Server 5.5.37-35.0 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 5.5.37-35.0 milestone at Launchpad.

New Features

Percona Server now supports Metrics for scalability measurement.

Percona Server now supports Audit Log Plugin.

Percona Server packages are now available for Ubuntu 14.04.

Bugs Fixed

Percona Server couldn’t be built with Bison 3.0. Bug fixed #1262439,upstream #71250 (Ryan Gordon).

Backported the upstream fix for overflow which would caused replication SQL thread to fail to execute events. Bug fixed #1070255 (upstream #67352).

Percona Server debug packages were not built for the previous releases. Bug fixed #1298352.

Queries that no longer exceed long_query_time were written to the slow query log if they matched the previous long_query_time value when slow_query_log_use_global_control variable was set to all. Bug fixed #1016991.

When writing audit plugins it was not possible to get notifications for general-log events without enabling the general-log. Bug fixed #1182535 (upstream #60782).

mysqld_safe did not correctly parse flush_caches and numa_interleave options. Bug fixed #1231110.

Thread Pool would handle a new client connection without notifying Audit Plugin. Bug fixed #1282008.

Fixed a performance issue in extending tablespaces if running under fusionIO with atomic writes enabled. Bug fixed #1286114 (Jan Lindström).

Previous implementation of the log_slow_rate_type set to query with log_slow_rate_limit feature would log every nth query deterministically instead of each query having a 1/n probability to get logged. Fixed by randomly selecting the queries to be logged instead of logging every nth query. Bug fixed #1287650.

Percona Server source files were referencing Maatkit instead of Percona Toolkit. Bug fixed #1174779.

Maximum allowed value for log_slow_rate_limit was ULONG_MAX (ie. either 4294967295 or 18446744073709551615, depending on the platform). As it was unreasonable to configure the slow log for every four billionth session/query, new maximum allowed value is set to 1000. Bug fixed #1290714.

Other bugs fixed: #1272732.

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