The modules I used are all standard via installation with apt-get.

Python is 2.5.2, and psycopg2 is 2.0.7

On Feb 10, 9:58 am, Jonathan Lundell <jlund...@pobox.com> wrote:
> Good work.
>
> You mentioned that you're using Debian Lenny. What version of Python? 2.5.2?
>
> And what version of psycopg2?
>
> On Feb 9, 2011, at 10:38 PM, VP wrote:
>
>
>
> > Alright people.... short answer:  I think I figured this out (at least
> > with my configuration)!!!!
>
> > After testing various configurations, here's the result with: ab -kc
> > 100 -t 20https://domain.com/imageblog/default/index/  (same
> > imageblog app, 100 connections, 20 seconds stress test).
>
> > Two things you will notice with this result.
>
> > 1.  ZERO failed request.   No more wsgi premature script error!!!!
> > 2.  Complete requests is 1234, 61 requests/second on average.
> >    Compare to prior configuration:  588 total requests, 29 requests/
> > sec on average.  Not to mention 15 failed requests due to wsgi
> > premature script errors!!!
>
> > This is insane!!!
>
> > So how did I configure this?   here it is:
>
> >  WSGIDaemonProcess web2py user=username group=username \
> >                           display-name=%{GROUP} processes=5 threads=1
>
> > The important option being 5 processes, 1 thread.
>
> > With this configuration, my real app also did not get wsgi premature
> > script errors anymore.  And guess what... the requests/sec
> > triples!!!!
>
> > I am still curious about this.  While my real app can possibly be not
> > thread-safe, but the imageblog app should be thread safe (the index
> > was simply a listing of images, i.e. read only).  Why would there be a
> > problem with more than 1 thread?
>
> > ============
>
> > Document Path:          /imageblog/default/index
> > Document Length:        13083 bytes
>
> > Concurrency Level:      100
> > Time taken for tests:   20.008 seconds
> > Complete requests:      1234
> > Failed requests:        0
> > Write errors:           0
> > Keep-Alive requests:    1234
> > Total transferred:      16827432 bytes
> > HTML transferred:       16171262 bytes
> > Requests per second:    61.68 [#/sec] (mean)
> > Time per request:       1621.377 [ms] (mean)
> > Time per request:       16.214 [ms] (mean, across all concurrent
> > requests)
> > Transfer rate:          821.33 [Kbytes/sec] received
>
> > Connection Times (ms)
> >              min  mean[+/-sd] median   max
> > Connect:        0    1   9.4      0      73
> > Processing:    82  481 890.5    317    5475
> > Waiting:       76  443 878.7    274    5393
> > Total:         82  483 894.7    317    5503
>
> > Percentage of the requests served within a certain time (ms)
> >  50%    317
> >  66%    342
> >  75%    360
> >  80%    372
> >  90%    416
> >  95%    489
> >  98%   5351
> >  99%   5397
> > 100%   5503 (longest request)
> > ========
>
>

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