Re: Postmaster terminated without any error message

Thanks for your information. I couldn't find the "ulimit" setting in
postgresql.conf. Where can I find it? I use the default settings in pgsql.

Thanks.

Roger Lam
----- Original Message -----
From: "Tom Lane" <tgl@sss.pgh.pa.us>
To: "roger" <roger@tagalder.com>
Cc: <pgsql-admin@postgresql.org>
Sent: Sunday, October 10, 2004 3:29 PM
Subject: Re: [ADMIN] Postmaster terminated without any error message


> "roger" <roger@tagalder.com> writes:
> > We have Postgresql 7.2 under Redhat 7.2. Postmaster can be started and
we c=
> > an use it without problem. However postmaster will terminate abnormally
aft=
> > er 1 or 2 hours and leave no error messages.
>
> I suspect you are starting the postmaster under resource constraints
> (check "ulimit" settings) or else the postmaster is getting hit by the
> kernel's infamous "out-of-memory killer" (google for "OOM kill" for more
> info).
>
> In recent Linux kernels you can prevent OOM kills by adjusting the
> kernel's memory allocation parameters, but RH 7.2 may be too old to give
> you that control.
>
> regards, tom lane