On Jun 26, 9:56 pm, Mark Plaksin <ha...@usg.edu> wrote:
> Scott Smith <sc...@ohlol.net> writes:
> > Mark Plaksin wrote:
>
> >> Load average is peaking around 10. That's not so good compared to
> >> running under mongrel where the load peaked at less than 5 (both with
> >> 0.25b1 and 0.25b2).
>
> > Were the puppetmasters verifiably slower? If so, how did you measure it?
>
> I didn't measure but load average has been a good indicator for us. Oh,
> and our stats system has stats based on Puppet reports. The "how long
> did the file part of all manifests on all machines take to run" graph
> says that our file server is slower with Passenger than it is with
> Mongrel. The difference is about a factor of 2--just like the
> difference in the peak load averages.
What worries me is, that you are saying it takes twice as long and
your load is twice as high. So you're actually seeing a 4-time worse
performance, which is /very/ bad.
Which processes do you see running? puppetmasterds and Apaches or only
one kind of them?
How long does file serving take for you? Are there very large files?
If so, you might want to test with PassengerUseGlobalQueue on.
Which versions are your clients? 0.25beta too?
Christian
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