Russ Allbery sez:
> I'm surprised to see someone using a cache that large. Our experience had
> been that the cache search time got extremely bad with large caches and
> that performance actually increased with a smaller cache size. What block
> size are you using with that cache?
Well, like I said, vice cache is like swap space, you can have too much as
easily as too little :-). The biggest problem we've found with the huge cache
is not performance problems (that Alpha kicks butts & takes names) but every
six months or so the cache gets completely corrupted & crashes or wedges the
machine. Every 2 to 3 of these requires a complete cache rebuild.
That said, we're using the default block size. I never thought before to
change this! I think I will look more into it, it may enable us to use a
smaller cache & have less frequent problems.
Thanks!
e.
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[EMAIL PROTECTED] Esther Filderman [EMAIL PROTECTED]
Senior System Mangler, News & AFS Dominatrix
Pittsburgh Supercomputing Center
