Simon, > We should run tests with much higher wal_buffers numbers to nullify the > effect described above and reduce contention. That way we will move > towards the log disk speed being the limiting factor, patch or no patch.
I've run such tests, at a glance they do seem to improve performance. I need some time to collate the results. -- --Josh Josh Berkus Aglio Database Solutions San Francisco ---------------------------(end of broadcast)--------------------------- TIP 1: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly