New answers tagged my.cnf
You might find that the limit is not where you think. I've had trouble with open file limits and that's set by Centos itself. Please see: How to permanently raise ulimit 'open files' and MySQL 'open_files_limit' Some key points from that link: The default ulimit on open files is 1024. MySQL sets its open_files_limit to whatever the system's ulimit is ...
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