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Build percona-toolkit-2.2.16

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Tomislav Plavcic
2015-11-06 20:50:27 +01:00
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docs/percona-toolkit.pod
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=head1 VERSION
Percona Toolkit v2.2.15 released 2015-08-28
Percona Toolkit v2.2.16 released 2015-11-06
=cut

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Release Notes
*************
v2.2.16 released 2015-11-09
===========================
Percona Toolkit 2.2.16 has been released. This release contains 3 new features and 2 bug fixes.
New Features:
* 1491261: When using MySQL 5.6 or later, and ``innodb_stats_persistent`` option is enabled (by default, it is enabled), then ``pt-online-schema-change`` will now run with the ``--analyze-before-swap`` option. This ensures that queries continue to use correct execution path, instead of switching to full table scan, which could cause possible downtime. If you do not want ``pt-online-schema-change`` to run ``ANALYZE`` on new tables before the swap, you can disable this behavior using the ``--no-analyze-before-swap`` option.
* 1402051: ``pt-online-schema-change`` will now wait forever for slaves to be available and not be lagging. This ensures that the tool does not abort during faults and connection problems on slaves.
* 1452895: ``pt-archiver`` now issues ‘keepalive’ queries during and after bulk insert/delete process that takes a long time. This keeps the connection alive even if the ``innodb_kill_idle_transaction`` variable is set to a low value.
Bug Fixes:
* 1488685: The ``--filter`` option for ``pt-kill`` now works correctly.
* 1494082: The ``pt-stalk`` tool no longer uses the ``-warn`` option when running ``find``, because the option is not supported on FreeBSD.
Changelog
---------
* Fixed bug 1452895: pt-archiver dies with "MySQL server has gone away" when innodb_kill_idle_transaction set to low value and bulk insert/delete process takes too long time
* Fixed bug 1488685: pt-kill option --filter does not work
* Feature 1402051: pt-online-schema-change should reconnect to slaves
* Fixed bug 1491261: pt-online-schema-change, MySQL 5.6, and InnoDB optimizer stats can cause downtime
* Fixed bug 1494082: pt-stalk find -warn option is not portable
* Feature 1389041: Document that pt-table-checksum has high likelihood to skip a table when row count is around chunk-size * chunk-size-limit
v2.2.15 released 2015-08-28
===========================