[lug] Horrid NFS performance on linux

[Chris McDermott]

Are these physical hosts or virtual? What level of context switching and
interrupts are you seeing?


On Thu, Apr 18, 2013 at 12:08 PM, Orion Poplawski <orion at cora.nwra.com>wrote:

> On 04/18/2013 12:01 PM, Jack Swope wrote:
> > /etc/exports
> > /raid/share     -mp=/raid/share xxx.xxx.xxx.0/24(rw,insecure)
> yyy.yyy.yyy.0/24(rw)
> >
> > /proc/fs/nfsd/exports
> > /raid/share     *,xxx.xxx.xxx.0/24,hostname.here.edu
> > <http://hostname.here.edu
> >(rw,insecure,root_squash,sync,wdelay,no_subtree_check,uuid=2da6585e:8e224e71:905ee5f8:518a5d00)
> > /raid/share
> >
> *,yyy.yyy.yyy.0/24(rw,root_squash,sync,wdelay,no_subtree_check,uuid=2da6585e:8e224e71:905ee5f8:518a5d00)
> >
> > async is not set.
>
> Set it.  Although I suspect that is not your only issue.  Even 25MB/s is
> terrible.
>
>
> --
> Orion Poplawski
> Technical Manager                     303-415-9701 x222
> NWRA, Boulder/CoRA Office             FAX: 303-415-9702
> 3380 Mitchell Lane                       orion at nwra.com
> Boulder, CO 80301                   http://www.nwra.com
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