[Beowulf] Slightly OT: storage performance

Andrew Piskorski atp at piskorski.com
Sun Nov 12 17:25:00 EST 2006


On Sun, Nov 12, 2006 at 09:18:01AM -0800, Buccaneer for Hire. wrote:
> The minimum file size for testing should be at least twice the maximum
> estimated cache in the system.  So, we use the amount of memory on the
> head node and all the cache on the EMC and double it.

Wouldn't it make for more convenient tests to instead write some
helper program which grabs most of the memory on the box?  Then you
could do good, non-cached tests with much smaller file sizes?

-- 
Andrew Piskorski <atp at piskorski.com>
http://www.piskorski.com/
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