Re: [PERFORM] Troubles dumping a very large table.

2008-12-28 Thread Ted Allen
I was hoping use pg_dump and not to have to do a manual dump but if that latest solution (moving rows >300mb elsewhere and dealing with them later) does not work I'll try that. Thanks everyone. Merlin Moncure wrote: On Fri, Dec 26, 2008 at 12:38 PM, Tom Lane wrote: Ted Allen writes:

Re: [PERFORM] Bgwriter and pg_stat_bgwriter.buffers_clean aspects

2008-12-28 Thread Greg Smith
On Fri, 26 Dec 2008, Dmitry Koterov wrote: checkpoint_timeout = 1min Your system is having a checkpoint every minute. You can't do that and expect the background writer to do anything useful. As shown in your stats, all the dirty buffers are getting written out by those constant checkpoin