[Zope] debugging memory exhaustion

[Jonathan]

----- Original Message ----- 
From: "Chris Withers" <chris at simplistix.co.uk>
To: "zope list user" <zope at zope.org>
Sent: Thursday, August 09, 2007 12:09 PM
Subject: [Zope] debugging memory exhaustion


> Hi All,
>
> I'm suffering with an app server that keeps blowing through all its 
> memory.
>
> I have a suspicion this is due to a dodgy python script or page template 
> pulling too many objects into memory. However, by the time I know to look, 
> the app server throws MemoryErrors for each and every request.
>
> What're the best ways to go about debugging this? Would DeadlockDebugger 
> help or will it suffer from the same problem?
>
> Of course, it'd be lovely if you could actually specify an upper memory 
> bound for a particular request to use, and/or Zope as a whole, but these 
> kinds of things always seem to stall at the development stage :-(

If you're running on a linux machine you could look into the ulimit command 
to limit the process memory utilization, which may allow you to see what it 
happening.


Jonathan