Re: oom-killer why ?

Christoph Lameter
2008-08-25T18:55:45Z

Marco Nietz wrote:
> It's should be possible to reproduce the oom, but it's a Production Server.
>
> The oom happens after if've increased the Maximum Connections and
> Shared-Buffers for the Postgres Database Server on that Machine.
>
> It's kernel: 2.6.18-6-686-bigmem a Debian Etch Server.

Hmmm... That should be fairly stable. I wonder how prostgres handles the
buffers? If the pages are mlocked and are required to be in lowmem then what
you saw could be related to the postgres configuration.

> And here is the Complete dmesg:

The problem is that the boot messages are cut off we cannot see the basic
operating system configuration and the hardware that was detected.