New answers tagged crash
After a bunch more googling, etc., I finally came upon the solution: http://notesonit.blogspot.hk/2013/05/innodb-unable-to-lock-ibdata1-error-11.html
There is no more space on the device: could not write to log file: No space left on device Check it with df and make some space
This appears to be a regression bug that exists in Percona Server 5.6.14 and possibly some previous versions of 5.6. https://bugs.launchpad.net/percona-server/+bug/1247021 It appears it was fixed in Percona Server 5.6.16-64.0: Due to a regression in the buffer pool mutex split, a combination of InnoDB compression, write workload, and multiple active ...
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