Messages in this thread | | | Date | Thu, 29 Apr 2004 14:57:25 -0700 | From | Andrew Morton <> | Subject | Re: ~500 megs cached yet 2.6.5 goes into swap hell |
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Paul Jackson <pj@sgi.com> wrote: > > Andrew wrote: > > Two things: > > a) a knob to say "only reclaim pagecache". We have that now. > > b) a knob to say "reclaim vfs caches harder" ... > > Are these knobs system wide in affect, or per job? > I am presuming system wide.
yup, system-wide.
> When I'm working late, I want my updatedb/backup jobs > to scrunch themselves into a corner, even as my builds > and gui desktop continue to fly and suck up RAM.
Sure. That's not purely a cacheing thing though. Even if the background activity was clamped to just a few megs of cache you'll find that the seek activity is a killer, and needs a limitation mechanism. Although the anticipatory scheduler helps here a lot. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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