Alex Rousskov wrote:
>
> On Mon, 26 Apr 1999, Dancer wrote:
>
> > It was empty at the start of the tests. I've been letting it fill, but
> > it's not hit 10% yet, so no...no garbage collection at all.
>
> Note that Unix FS will slow down as disks get full. One may be able to
> start filling at 120/sec but may have to decrease the rate to 50req/sec
> when the disks are close to full. That is one of the reasons to keep cache
> disks only 50% utilized...
Current utilisation across the six drives is 16% at the moment. Curious.
I've got a 100/sec test running, and no sign of a fallover.
>
> Try this: Right after the experiment died at 120/sec. Clear the cache (or
> re-point cache_dir to an empty disk) and quickly restart the experiment. If
> you get back to 120/sec, it may be the file system playing its dirty tricks
> on you...
>
> Alex.
>
> P.S. I assume you've checked "netstat -m" and "netstat -p tcp" for network
> related warning signs... :)
I've checked the linux equivalents, yes.
BTW, eyeing the assorted localhost connections for the helper progs
(redirector, dnsserver, etc)...it occurs to me...wouldn't unix-domain
connections switch at a higher-protocol level and save a few cycles?
D
Received on Tue Jul 29 2003 - 13:15:57 MDT
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