[Pvfs2-users] performance problem
robl at mcs.anl.gov
Tue May 13 14:00:48 EDT 2008
On Tue, May 13, 2008 at 07:37:34PM +0200, Emmanuel Florac wrote:
> However the performance is abysmal : the network thruput between the
> nodes is 8MB/s while copying! the total cluster write performance
> (cp from local disk to pvfs storage) is 17 MB/s.... What can be going so
> wrong? Any hint would be appreciated.
How are you copying? The version of coreutils in debian etch
(5.97-5.3) will use a very tiny blocksize in some situations. Is
pvfs2-cp any better?
Mathematics and Computer Science Division A215 0178 EA2D B059 8CDF
Argonne National Lab, IL USA B29D F333 664A 4280 315B
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