NFS Performance (was Re: [Beowulf] GPFS on Linux (x86))
landman at scalableinformatics.com
Fri Sep 15 11:51:05 EDT 2006
Brent Franks wrote:
> On 9/15/06, Chris Samuel <csamuel at vpac.org> wrote:
>> Wild guess - NFS servers are running RHEL and using ext3 ?
>> We used to have that problem with the 2 NFS servers for our 90 node
>> till we dumped RHEL, switched to Fedora and XFS and all our horrible NFS
>> problems went away.
> Nice, any sort of comparison data in terms of differences in
> throughput achieved?
On similar systems we have set up for customers, we have sustained 420
MB/s and 550 MB/s running later model kernels.
On the 550 MB/s system, we started out playing with ext3, and we were
able to hit about 300 MB/s.
> Additionally, are you writing your journal to a different partition?
Not in this case.
> - Brent
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Joseph Landman, Ph.D
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Scalable Informatics LLC,
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