[PVFS-users] Poor performance

Nathan Poznick kraken at wang-fu.org
Wed Jun 8 09:23:08 EDT 2005


Thus spake Jon Combe:
> I've tried the count again this morning (when it would presumably have
> expired from the cache). It still runs in 4 seconds.

Only time does not expire things from the cache, only dirtying of the
pages by modification or being pushed out by other cached pages.
Running in 4 seconds would equate to 369.4066 megabytes per second,
which is clearly running from memory.

-- 
Nathan Poznick <kraken at wang-fu.org>

"Nothing like an invigorating swim with a corpse in the morning." -Tom
Servo (as Tom Stewart). #414

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