Percona Server for MySQL 5.6.25-73.1

Percona is glad to announce the release of Percona Server for MySQL 5.6.25-73.1 on July 9th, 2015 (Downloads are available here and from the Percona Software Repositories).

Based on MySQL 5.6.25, including all the bug fixes in it, Percona Server for MySQL 5.6.25-73.1 is the current GA release in the Percona Server for MySQL 5.6 series. All of Percona‘s software is open-source and free, all the details of the release can be found in the 5.6.25-73.1 milestone at Launchpad.

New Features

TokuDB storage engine package has been updated to version 7.5.8

New TokuDB Features

  • Exposed ft-index fanout as TokuDB option tokudb_fanout, (default=16 range=2-16384).
  • Tokuftdump can now provide a summary info with new –summary option.
  • Fanout has been serialized in the ft-header and ft_header.fanout value has been exposed in tokuftdump.
  • New checkpoint status variables have been implemented:
    • CP_END_TIME - checkpoint end time, time spend in checkpoint end operation in seconds,
    • CP_LONG_END_COUNT - long checkpoint end count, count of end_checkpoint operations that exceeded 1 minute,
    • CP_LONG_END_TIME - long checkpoint end time, total time of long checkpoints in seconds.
  • “Engine” status variables are now visible as “GLOBAL” status variables.

TokuDB Bugs Fixed

  • Fixed assertion with big transaction in toku_txn_complete_txn.
  • Fixed assertion that was caused when a transaction had rollback log nodes orphaned in the blocktable.
  • Fixed ftcxx tests failures that were happening when it was run in parallel.
  • Fixed multiple test failures for Debian/Ubuntu caused by assertion on setlocale().
  • Status has been refactored to its own file/subsystem within ft-index code to make the it more accessible.

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