Re: nfs-server slowdown in 2.4.20-pre10 with client 2.2.19

Neil Brown (neilb@cse.unsw.edu.au)
Mon, 14 Oct 2002 13:38:32 +1000


On Monday October 14, skraw@ithnet.com wrote:
> >
> > Very odd... There were no changes between pre9 and pre10 that
> > directly relate to the nfs server, and none that immediately jump out
> > at me that could cause a slowdown in NFS writes.
> >
> > What architecture? PPC saw a lot of updates.
>
> i386, namely dual PIII 1GHz with 1 GB RAM
> Are you sure it has nothing to do with the latest patch and SMP:
>
> Trond Myklebust <trond.myklebust@fys.uio.no>:
> o Workaround NFS hangs introduced in 2.4.20-pre

Nope. This is purely client side. The nfs server doesn't go anywhere
near this code.

>
> > What filesystem? jfs saw one change
>
> reiserfs 3.6
>
> > What storage device? IDE or SCSI?
>
> IDE, PDC20268
>

Well, I cannot see any changes between pre9 and pre10 that would have
any effect on an nfs server with your configuration...

> > Can you try going back to -pre9 and confirm that performance comes
> > back?
>
> I will have a second try on the issue this night and be back with
> info tommorrow.

Thanks. hopefully that will shed some light.

NeilBrown
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