Messages in this thread | | | Date | Fri, 11 Aug 2006 05:57:56 +0200 | From | Willy Tarreau <> | Subject | Re: What's the NFS OOM problem? |
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On Fri, Aug 11, 2006 at 10:33:32AM +1000, Neil Brown wrote: > On Thursday August 10, w@1wt.eu 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 > files.
Just out of curiosity, does it happen on 32bit or 64bit machines (or both) ?
> 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.
The most important is to be aware of it ;-)
> NeilBrown
Thanks for the info, Willy
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