[BangPypers] WSGI app instrumentation - middleware or other

Sriram Narayanan sriramnrn at gmail.com
Wed Jun 8 11:54:33 CEST 2011

I'll show a demo someday. It can work at various levels.

Anyway, let the ideas continue to pour in.

-- Ram

On 6/8/11, Anand Chitipothu <anandology at gmail.com> wrote:
> 2011/6/8 Noufal Ibrahim <noufal at gmail.com>:
>> Sriram Narayanan <sriramnrn at gmail.com> writes:
>>> Solaris, opensolaris, openindiana, freebsd, OSX.
>>> Also see crispeditor for dtrace on linux.
>> [...]
>> Interesting.
>> I think it should be possible (and would be useful) to drop statistics
>> obtained using dtrace into graphite (along with other things that dtrace
>> can't do) so that you can a single uniform picture of what's going on.
> I think it is too low-level tool to use for performance monitoring. It
> might be good for some detailed introspection or troubleshooting. I
> think the python profiler gives quite good information about where the
> time is spent.
> I use a special query parameter to dump the profiling information of
> handling a single request using hotshot profiler.
> http://openlibrary.org/lists?_profile=true
> (scroll to the bottom to see the output of the profiler).
> Anand
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