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SubjectRe: VM in 2.4.7-pre hurts...
Jeff Garzik wrote:
>
> Oh this is a fun one :)
>
> When building gcc-2.96 RPM using gcc-2.96 under kernel 2.4.7 on alpha,
> the system goes --deeply-- into swap. Not pretty at all. The system
> will be 200MB+ into swap, with 200MB+ in cache! I presume this affects
> 2.4.7-release also.
>
> System has 256MB of swap, and 384MB of RAM.
>
> Only patches applied are Rik's recent OOM killer friendliness patch, and
> Andrea's ksoftirq patch.
>
> I ran "vmstat 3" throughout the build, and that output is attached. I
> also manually ran "ps wwwaux >> ps.txt" periodically. This second
> output is not overly helpful, because the system was swapping and
> unuseable for the times when the 'ps' output would be most useful.

Sorry, I forgot to mention that OOM killer kicked in twice. You can
probably pick out the points where it kicked in, in the vmstat output.

--
Jeff Garzik | A recent study has shown that too much soup
Building 1024 | can cause malaise in laboratory mice.
MandrakeSoft |
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