[Beowulf] file IO benchmark

John Hearns john.hearns at streamline-computing.com
Thu Nov 24 05:52:31 EST 2005

On Thu, 2005-11-24 at 10:49 +0100, Toon Knapen wrote:

> The problem is that our parallel direct out-of-core solver thus needs to
> store tmp data on disk. We already encountered problems when people are
> using one global NFS mounted filesystem for storing the tmp data of all
> nodes in the parallel run. 
For temporary data you should strongly encourage your users to write to
scratch areas locally on the nodes.
Or if you are writing the software, configure your software to do that,
maybe using an environment variable.

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