This could be a regression from bug https://bugs.launchpad.net/percona-server/+bug/1354988 / http://bugs.mysql.com/bug.php?id=53645 changes
This could be a regression from bug https:/ /bugs.launchpad .net/percona- server/ +bug/1354988 / http:// bugs.mysql. com/bug. php?id= 53645 changes