Re: ~500 megs cached yet 2.6.5 goes into swap hell

[Timothy Miller]

Paul Jackson wrote:

> Heh - indeed perhaps the answer is closer than I realize.  For SGI's big
> NUMA boxes, managing memory placement is sufficiently critical that we
> are inventing or encouraging ways (such as Andi Kleen's numa stuff) to
> control memory placement per node per job.  Perhaps this needs to be
> extended to portions of a node (this job can only use 1 Gb of the memory
> on that 2 Gb node) and to other memory uses (file cache, not just user
> space memory).

Is updatedb run with a nice level greater than zero?

Perhaps nice level could influence how much a process is allowed to 
affect page cache.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/