> -----Original Message----- > From: Scott Marlowe [mailto:[EMAIL PROTECTED] > Sent: Tuesday, April 22, 2008 10:13 AM > To: Hajek, Nick > Cc: pgsql-admin@postgresql.org > Subject: Re: [ADMIN] Server Crash > > On Tue, Apr 22, 2008 at 8:14 AM, Hajek, Nick > <[EMAIL PROTECTED]> wrote: > > > > > > All, > > We experienced a crash of a Postgresql server which from the log > > appears to have began with this entry: > > > > Log: background writer process (PID 3457) was terminated > by signal 9 > > Kill -9 is the "shoot it in the head" signal. It is not > generated by postgresql in normal operation. It can be > generated by "pg_ctl -m immediate stop" . At least I think > that's what signal it sends. > > Anyway, the most common cause of kill -9s randomly showing up > in linux is the OOM killer. > > It's quite possible you're running your machine out of memory > / swap somehow and linux is killing the biggest, fattest > process it can find, which is pgsql. > > you might wanna run vmstat 1 to see what's happening during > these times. >
Bingo. I checked the syslog and found the OOM killer and indications that the free swap space was zero. Now I just need to find what's eating memory. Thanks for the help. -- Sent via pgsql-admin mailing list (pgsql-admin@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin