FYI t.e.o is now running 0.10 again since 0.11 apparently has some 
memory usage issues. Last night the server grinded to a halt when a 
bunch of trac fcgi processes each allocating more than 600MB resident 
memory.

I've not yet identified which pages require this much memory but I would 
not be surprised if it's some of the more expensive versioncontrol 
pages.

As far as I know memory allocated by the python interpreter is almost 
never returned to the operating system so a single memory hungry page 
can case this type of problem when using long running processes such as 
fastcgi and tracd.

As a comparison with Trac 0.10 each trac process on t.e.o never seems to 
allocate more than 100MB. And this server is 64bit so memory usage 
should be even lower on 32bit systems.

Some relevant reading:
http://wingolog.org/archives/2007/11/27/reducing-the-footprint-of- 
python-applications

Cheers,
Jonas

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