NFS attr cache performance

[Eric Anderson]

On 10/29/06 22:31, Geoff Mohler wrote:
> Im looking for deep hacks into what I could do to make the 6.x NFS client 
> hold a larger (or much larger) file/directory attribute cache.
> 
> In very large make "everything" environments with Fbsd, we are about 1/3rd 
> the speed of local disk coming from a very large Netapp box.
> 
> The same make from a heavily patched/modified Linux NFS client is miles 
> faster than local disk.
> 
> I have no insight to the Linux modifications, but looking at the nfsstats, 
> attribute calls are the bulk of the traffic to the NFS mounted file 
> system.
> 
> Any and all ideas are OK..maybe something simple I overlooked.
> 
> I need to reserve another build server early this week, and go over my 
> options again on whats not been working, and get the list numbers as well.
> 
> Thanks in advance.


See Bruce Evans very recent work on this on freebsd-fs@ mailing list.

Eric


-- 
------------------------------------------------------------------------
Eric Anderson        Sr. Systems Administrator        Centaur Technology
Anything that works is better than anything that doesn't.
------------------------------------------------------------------------