How do I begin debugging a python memory leak?

[Chris Withers]

Matthew Wilson wrote:
> I have a web app based on TurboGears 1.0.  In the last few days, as
> traffic and usage has picked up, I noticed that the app went from using
> 4% of my total memory all the way up to 50%.
> 
> I suspect I'm loading data from the database and somehow preventing
> garbage collection.
> 
> Are there any tools that might help me out with this?

http://pypi.python.org/pypi/guppy

...which will give you:

http://guppy-pe.sourceforge.net/heapy_tutorial.html

Good for finding out what's making up the memory usage.

cheers,

Chris

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