Re: What's the NFS OOM problem?

From: Neil Brown
Date: Thu Aug 10 2006 - 20:31:20 EST

On Thursday August 10, w@xxxxxx wrote:
> > Can someone help me and give me a brief description on OOM issue?
> I don't know about any OOM issue related to NFS. At most it might happen
> on the client (eg: stating firefox from an NFS root) which might not have
> enough memory for new network buffers, but I don't even know if it's
> possible at all.

We've had reports of OOM problems with NFS at SuSE.
The common factors seem to be lots of memory (6G+) and very large
Tuning down /proc/sys/vm/dirty_*ratio seems to avoid the problem,
but I'm not very close to understanding what the real problem is.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at