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Percona Server 5.5.52-38.3

Percona is glad to announce the release of Percona Server 5.5.52-38.3 on October 4th, 2016. Downloads are available here and from the Percona Software Repositories.

Based on MySQL 5.5.52, including all the bug fixes in it, Percona Server 5.5.52-38.3 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 5.5.52-38.3 milestone at Launchpad.

Bugs Fixed

mysql_upgrade now does not binlog its actions by default. To restore the previous behavior, use --write-binlog option. Bug fixed #1065841 (upstream #56155).

Audit Log Plugin would hang when trying to write a log record of audit_log_buffer_size length. Bug fixed #1588439.

After fixing bug #1540338, system table engine validation check is no longer skipped for tables that don’t have an explicit ENGINE clause in a CREATE TABLE statement. If MySQL upgrade statements are replicated, and slave does not have the MyISAM set as a default storage engine, then the CREATE TABLE mysql.server statement would attempt to create an InnoDB table and fail because mysql_system_tables.sql script omitted explicit engine setting for this table. Bug fixed #1600056.

Audit Log Plugin malformed record could be written after audit_log_flush was set to ON in ASYNC and PERFORMANCE modes. Bug fixed #1613650.

INFORMATION_SCHEMA.TABLES (or other schema info table) table query running in parallel with INFORMATION_SCHEMA.GLOBAL_TEMPORARY_TABLES query may result in TABLES-query thread context having a mutex locked twice, or unlocked twice, or left locked, resulting in crashes or hangs. Bug fixed #1614849.

Other bugs fixed: #1626002 (upstream #83073), #904714, #1098718, #1610102, #1610110, #1613663, #1613728, #1613986, #1614885, #1615959, #1616091, #1616753, #1616768, #1616937, #1617150, #1617323, #1618478, #1618718, #1618811, #1618819, #1619547, #1619572, #1619665, #1620200, #1626458, #1626500, and #1628417.

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