[OpenAFS] OpenAFS Project List

[Neulinger, Nathan R.]

Sounds to me then that reading volume local on server would be an
improvement, since RX would be out of the picture.

-- Nathan

> -----Original Message-----
> From: Nickolai Zeldovich [mailto:kolya@MIT.EDU]
> Sent: Wednesday, March 14, 2001 8:33 AM
> To: jhutz@cmu.edu
> Cc: openafs-info@openafs.org
> Subject: Re: [OpenAFS] OpenAFS Project List
> 
> 
> > I seem to recall that results of some performance tests 
> were posted here
> > or on openafs-devel in the not-too-distant past.  The 
> performance problems
> > with vos dump appear to be primarily in the dump process 
> itself, _not_ in
> > the network transfer.
> 
> FWIW, I was also playing around with vos dump a while back and it
> seemed to me rx performance was the bottleneck. Trying to read the
> vnodes ahead of time in a separate thread, using aio to fetch vnodes
> in parallel, etc, didn't seem to help much at all, but increasing
> some rx parameters (eg number of packets between acks) seemed to
> get the "vos dump" performance up a bit.
> 
> -- kolya
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