In addition, if you write an mpi program that actually uses parallel I/O,
your performance numbers will increase even more.

Becky

On Tue, Jun 21, 2011 at 9:05 AM, Emmanuel Florac <[email protected]>wrote:

> Le Tue, 21 Jun 2011 13:43:35 +0200
> belcampo <[email protected]> écrivait:
>
> > Installed the pvfs2-client part on the fat client and it does scale
> > well. rsync throughput is 114Mb/s
>
> Yes, rsync is notoriously underperforming on PVFS, because it splits
> data in too small chunks I suppose (with GbE I've got only ~25/30 MB/s).
>
> > pvfs2-cp throughput is 165Gb/s
> > and even over pvfs2fuse does 165Gb/s
>
> You mean Mb/s, right ? :)
>
> --
> ------------------------------------------------------------------------
> Emmanuel Florac     |   Direction technique
>                    |   Intellique
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-- 
Becky Ligon
OrangeFS Support and Development
Omnibond Systems
Anderson, South Carolina
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