[Python-Dev] how to debug httplib slowness

[Guido van Rossum]

s/return time/return size/

On Wed, Aug 12, 2009 at 8:07 AM, Guido van Rossum<guido at python.org> wrote:
> Try instrumenting the actual calls to the lowest-level socket methods
> (recv() and send()) and log for each one the arguments, return time,
> and how long it took. You might see a pattern. Is this on Windows?
> It's embarrassing, we've had problems with socket speed on Windows
> since 1999 and they're still not gone... :-(
>
> On Wed, Aug 12, 2009 at 4:05 AM, Chris Withers<chris at simplistix.co.uk> wrote:
>> Hi All,
>>
>> I'd like to work on this issue:
>>
>> http://bugs.python.org/issue2576
>>
>> Specifically, in my case, while IE can download a 150Mb file from a local
>> server in about 3 seconds, httplib takes over 20 minutes!
>>
>> However, I'm kinda stumped on where to start with debugging the difference.
>> I've tried upping the buffer size as suggested in the issue, but it's had no
>> effect...
>>
>> Any ideas?
>>
>> Chris
>>
>> --
>> Simplistix - Content Management, Batch Processing & Python Consulting
>>           - http://www.simplistix.co.uk
>> _______________________________________________
>> Python-Dev mailing list
>> Python-Dev at python.org
>> http://mail.python.org/mailman/listinfo/python-dev
>> Unsubscribe:
>> http://mail.python.org/mailman/options/python-dev/guido%40python.org
>>
>
>
>
> --
> --Guido van Rossum (home page: http://www.python.org/~guido/)
>



-- 
--Guido van Rossum (home page: http://www.python.org/~guido/)