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Percona Server 5.5.53-38.4

Percona is glad to announce the release of Percona Server 5.5.53-38.4 on November 18th, 2016. Downloads are available here and from the Percona Software Repositories.

Based on MySQL 5.5.53, including all the bug fixes in it, Percona Server 5.5.53-38.4 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 5.5.53-38.4 milestone at Launchpad.

Removed Features

Metrics for scalability measurement feature has been removed. WARNING: if you have scalability_metrics_control variable in your my.cnf configuration file you’ll need to remove it, otherwise server won’t be able to start.

Bugs Fixed

When a stored routine would call an “administrative” command such as OPTIMIZE TABLE, ANALYZE TABLE, ALTER TABLE, CREATE/DROP INDEX, etc. the effective value of log_slow_sp_statements was overwritten by the value of log_slow_admin_statements. Bug fixed #719368.

Thread Pool thread limit reached and failed to create thread messages are now printed on the first occurrence as well. Bug fixed #1636500.

Other bugs fixed: #1612076, #1633061, #1633430, and #1635184.

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