On Tue, 22 Apr 2008, Rafael Barrera Oro wrote:
Hello, i have a postgresql server running and from time to time it gets painfully slow.
The usual information you should always include when posting messages here is PostgreSQL and operating system versions.
When this happens i usually connect to the server and run a "top" command
The other thing you should fire up in another window is "vmstat 1" to figure out just what's going on in general. The great thing about those is you can save them when you're done and easily analyze the results later easily, which is trickier to do with top.
71872 pgsql 1 4 0 48552K 42836K sbwait 1:41 4.79% postgres
Some searching found this interesting suggestion from Darcy about things stuck in sbwait:
http://unix.derkeiler.com/Mailing-Lists/FreeBSD/performance/2004-03/0015.html -- * Greg Smith [EMAIL PROTECTED] http://www.gregsmith.com Baltimore, MD -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
