Re: Getting Out of Memory errors at random intervals.

Andrew Brink (abrink@ns.brink.cx)
Sun, 13 Jan 2002 18:30:32 -0600


On Mon, Jan 14, 2002 at 12:09:14AM +0000, Alan Cox wrote:
> > On Sun, Jan 13, 2002 at 11:45:42PM +0000, Alan Cox wrote:
> > > Run something that has a sane VM in all the known awkward cases (eg the Red Hat
> > > 2.4.9 tree) and you should be just fine. If not I'd be interested to know
> >
> > I take it the vanilla 2.4.9 would also do?
>
> Nothing like it. The 2.4.9-RH tree is very different VM wise from the 2.4.9
> base tree. Linus never took the VM updates from it.

Okay. Will do.

>
> > > Andrea -aa vm patches or Rik's rmap-11b patch. Both of which seem to help
> > > no end.
> >
> > As for High loads....these boxes don't even get a load.
>
> I suspect they are - possibly only a sudden sharp burst of web traffic
> causing a lot of cgi/mysql/apache process activity.

*Shrug* I've done some experimenting with this, having a lab (30 people)
all hit the site at the same time. Holds it fine most the time. Usually
the OOM's come during the middle of the night.

>
> Alan
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