[Twisted-Python] Twisted webserver performance issues

[ssteinerX@gmail.com]

On Nov 7, 2009, at 11:26 PM, James Y Knight wrote:

> When I last looked into the performance issues, I found that sometimes
> trac appears to block for long periods of time without releasing the
> GIL. That seems to be the core of the performance issues,

Any Earthly idea which part of trak is responsible or is just a  
general malaise?

> When it's responding normally, it's perfectly snappy. But, sometimes,
> it blocks for 10sec at a time.
>
> My next attempt to improve performance was going to be to run trac in
> subprocesses instead of threads. That would hopefully substantially
> fix the delay problem.

I don't mean to restate the obvious, but have you asked the track guys  
for help?  I don't know them at all, or really anything about them so  
excuse me if there's some feud or something.

S