[Lustre-discuss] Lustre Performance

Brian J. Murrell Brian.Murrell at Sun.COM
Mon Oct 29 08:22:01 PDT 2007


On Mon, 2007-10-29 at 12:17 +0000, Iain Grant wrote:

> Now to be honest I am not seeing any difference in Lustre compared
> with NFS

You won't.  Lustre's shining point is not that it's faster than NFS
given a single server and single disk, but rather that it scales
incredibly well.

Try adding more disks and (when you max out the bandwidth of that single
machine's disk or network -- whichever comes first) add a second (and
third and fourth, etc.) OSS.  Then try some benchmarks.

When you have maxed out the network bandwidth between your client and
the Lustre servers, add a second and third, etc. clients and try a
collective benchmark across all of the clients.

This is where Lustre shines.

b.






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