[OpenAFS] Tips for increasing throughput

[Matt W. Benjamin]

Hi,

I think some more detail on the network/network path would be helpful.

Regards,

Matt

----- "Ken Elkabany" <Ken@Elkabany.com> wrote:

> Hi,
> 
> 
> On a network capable of scp-ing files between machines at 60MB/sec, we
> are only able to achieve 2-3MB/sec of throughput when using AFS. We've
> been conducting tests on 300MB files, by copying them from the /afs/*
> mount to the local filesystem with memcache enabled. In production, we
> will not be using memcache, but we wanted to eliminate the overhead of
> the on-disk cache manager. We've tried tweaking our options as
> follows: "-verbose -nosettime -memcache -chunksize 20 -stat 2800
> -daemons 5 -volumes 128". The most important option is the chunksize,
> which did not have a measurable effect. Any other tips?
> 
> 
> Thanks!
> Ken

-- 

Matt Benjamin

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