* Horrible NFS read performance between 2.4.18/19?
@ 2002-08-22 3:59 David Rees
2002-08-22 4:58 ` David Rees
0 siblings, 1 reply; 2+ messages in thread
From: David Rees @ 2002-08-22 3:59 UTC (permalink / raw)
To: nfs
Hi,
I've got a number of Linux nfs clients running 2.4.18 with trond's NFS-ALL
patch and a server running 2.4.19 also with the NFS-ALL patch.
The machines are all hooked up to the same switch.
The problem is that using any rsize/wsize combination larger that 2048
results in the nfs clients getting horrible read performance. The defaults
worked fine with the client/server ran 2.4.18 with the NFS-ALL patch. I
have not tried updated the clients to 2.4.19, but that is the next step.
Write performance is fine.
Is this expected behavior? Or did something change between the two kernels
that would cause this problem?
Thanks,
Dave
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Horrible NFS read performance between 2.4.18/19?
2002-08-22 3:59 Horrible NFS read performance between 2.4.18/19? David Rees
@ 2002-08-22 4:58 ` David Rees
0 siblings, 0 replies; 2+ messages in thread
From: David Rees @ 2002-08-22 4:58 UTC (permalink / raw)
To: nfs
Following up to myself...
On Wed, Aug 21, 2002 at 08:59:16PM -0700, David Rees wrote:
>
> The problem is that using any rsize/wsize combination larger that 2048
> results in the nfs clients getting horrible read performance. The defaults
> worked fine with the client/server ran 2.4.18 with the NFS-ALL patch. I
> have not tried updated the clients to 2.4.19, but that is the next step.
> Write performance is fine.
Upgrading the client to 2.4.19 restored read performance...
-Dave
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