Based on MySQL 5.6.28, including all the bug fixes in it, Percona Server 5.6.28-76.1 is the current GA release in the Percona Server 5.6 series. All of Percona‘s software is open-source and free, all the details of the release can be found in the 5.6.28-76.1 milestone at Launchpad.
ALTER TABLEwithout the
ENGINEclause would silently change table engine if
enforce_storage_enginevariable was active. This could also result in system tables being changed to incompatible storage engines, breaking server operation. Bug fixed #1488055.
Small buffer pool size could cause XtraDB buffer flush thread to spin at 100% CPU. Bug fixed #1433432.
Enabling TokuDB with
ps_tokudb_adminscript inside the Docker container would cause an error due to insufficient privileges even when running as root. In order for this script to be used inside docker containers this error has be been changed to a warning that a check is impossible. Bug fixed #1520890.
InnoDB status will start printing negative values for spin rounds per wait, if the wait number, even though being accounted as a signed 64-bit integer, will not fit into a signed 32-bit integer. Bug fixed #1527160 (upstream #79703).
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