On Mon, Aug 20, 2001, Joe Cooper wrote:
> > Good luck!
>
> Ok, about 20 minutes into a run at 40 reqs/sec (single disk, 450MHz CPU,
> 512MB RAM), disk hits are at 1-3% of overall and 97-99% memory, and
> overall hits are at about 3% out of a possible 55%. A run at 70 was
> started but didn't make it. SWAPFAIL_MISS is the access.log entry de
> jeur here, so I guess we're shedding load voluntarily?
It shouldnt be - hrm. Lemme polygraph it myself later on today
to see if I missed anything in the diskio branch. The storeclient
changes might be causing this.
> Seems very solid however. No crashes, and no errors being reported, so
> I'll call that good work!
Well, thats good - it means my storeclient changes work. :)
> I think the load shedding might be a little aggressive here also, since
> we have a little CPU to burn, and certainly more disk throughput than
> we're using (aufs can do 70 reqs/sec on the same machine). The CPU is
> sitting at around 20-30% idle, but I'm seeing a pretty big interrupt
> spike on each bytes out burst (shoots from ~1200 up to ~10000 with CPU
> idle dropping to <10% during on flush). Definitely need to balance the
> shedding in favor of reads, rather than writes.
Weird. that shouldn't be happening.
I'll take a look today sometime to see if I can figure it out.
adrian
Received on Mon Aug 20 2001 - 05:01:20 MDT
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