On Wed, Apr 30, 2008, Amos Jeffries wrote:
> >The metrics depend on the workload, but in general you need at least
> >rate/throughput, response time, hit ratio (if caching), and errors. No
> >single metric is meaningful. You can optimize one and "freeze" others at
> >reasonable levels and workload often do that.
> Thanks Alex. That was pretty much spot on what I was hoping to hear back.
> From what we've been hearing the two key rates will be req/sec (at any
> low response time) and hit ratio.
Don't forget other key things which affect scalability, such as concurrent
connection count and memory usage.
There's little point handling higher connection rates if your concurrent
connection count tops out at 10k/10k active fd's.
Adrian
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