[Pvfs2-users] pvfs performance over IB
chohy at kisti.re.kr
Thu Oct 11 01:19:35 EDT 2007
We didn't install ib-srp.
To make it clear, we also excluded 'ib-ipoib' and only installed 'ib-verbs',
'opensm', and 'ibadm'.
[root at rose1 tmp]# /usr/local/bin/pvfs2-cp /tmp/test1G2 /mnt/pvfs2/test1GB01
Wrote 1073741824 bytes in 23.000803 seconds. 44.520185 MB/seconds
From: Kyle Schochenmaier [mailto:kschoche at gmail.com]
Sent: Thursday, October 11, 2007 1:05 AM
To: Kevin Harms
Cc: hyeyoung cho; pvfs2-users at beowulf-underground.org
Subject: Re: [Pvfs2-users] pvfs performance over IB
Are these tests all done in memory, or are you actually hitting disk here?
60MB/s on a system that can do 100MB/s isnt *terrible* if you're
hitting disks, however, if this is all still in memory, thats a
Can you redo the pvfs2-cp test with a 256MB or so test from /tmp?
On 10/10/07, Kevin Harms <harms at alcf.anl.gov> wrote:
> are you using SRP?
> kevin harms
> > When I tested using iozone, the results was read 145MB and write
> > 100MB(MAX).
> Pvfs2-users mailing list
> Pvfs2-users at beowulf-underground.org
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