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FromCon Kolivas <>
SubjectRe: [BENCHMARK] vm swappiness with contest
DateTue, 31 Dec 2002 18:20:53 +1100
On Tuesday 31 Dec 2002 6:08 pm, Andrew Morton wrote:
> Con Kolivas wrote:
> > ...
> > post usemem:
> > MemTotal:       257296 kB
> > MemFree:         86168 kB
> > Buffers:           392 kB
> > Cached:           2244 kB
> > SwapCached:        632 kB
> > Active:         159484 kB
> > Inactive:         1380 kB
> > HighTotal:           0 kB
> > HighFree:            0 kB
> > LowTotal:       257296 kB
> > LowFree:         86168 kB
> > SwapTotal:     4194272 kB
> > SwapFree:      4192668 kB
> > Dirty:              60 kB
> > Writeback:           0 kB
> > Mapped:           1768 kB
> > Slab:             6748 kB
> > Committed_AS:     6588 kB
> > PageTables:        196 kB
> > ReverseMaps:       619
>
> OK, thanks.   It's a memory leak.
>
> Could you please send me a detailed description of how to
> set about reproducing this?
>
> When you say "I ran contest for a few days till I recreated the problem
> and it did recur.", does this imply that the leak was really slowly
> increasing, or does it imply that everything was fine for a few days
> uptime and then it sudddenly leaked a large amount of memory?

I ran contest -n 100 -l all

which should run all loads 100 times. The dbench_load results remained pretty 
much static until about the 60th run and then it started increasing fairly 
rapidly.

dbench_load doesnt exist in contest 0.51, but running dbench_load by itself 
did NOT reproduce the problem - I tried this first. Dbench_load just seemed 
to notice it the most, so it's one of the other loads in contest exposing the 
leak which are all in v 0.51. Unfortunately I cant say for certain which of 
the loads it is.

Con
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