lkml.org 
[lkml]   [2004]   [Dec]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Limiting program swap
Bill Davidsen wrote:
> I have several machine of various memory sizes which suffer from really
> poor performance when doing backups. This appears to be because all the
> programs other than the backup quickly get swapped to make room for i/o
> buffers.
>
> Is there some standard portable way to prevent this, either by reserving
> some memory for programs which will not get swapped regardless of i/o
> pressure, or alternatively limiting the total memory used for i/o
> buffers, dcache, and similar things?
>

I'm wondering if turning the /proc/sys/vm/swappiness knob would help,
but I'll honestly admit that I don't know.

--
Jesper Juhl
-
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/

\
 
 \ /
  Last update: 2005-03-22 14:08    [from the cache]
©2003-2011 Jasper Spaans