Stephen Tyler <stephen@xxxxxxxxxxxxxxxxx> writes: > My expectation would be that postgresql would issue an fsync() (or perhaps a > few such calls) at the end of the transaction. But this does not seem to be > the case: fsyncs mostly happen as a result of checkpoint activity. I wonder whether you have done any tuning of checkpoint intervals, shared_buffers, etc. The very long times to complete the fsyncs sound like a kernel or driver issue; not much we can do to help you with that. regards, tom lane -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
