On Fri, Jan 4, 2013 at 1:23 PM, nobody nowhere <devnull@xxxxxxx> wrote: > > ...have you checked which PID is using that core? Is it postgres-related? > > How do I know it? An unfiltered top or ps might give you a clue. You could also try iotop, php does hit the filesystem (sessions stored in disk), and if it's on the same partition as postgres, postgres' fsyncs might cause it to flush to disk quite heavily. -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
