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Debugging memory usage

From: Bob Bell
Subject: Debugging memory usage
Date: Sun, 23 Jun 2013 17:43:51 -0400
User-agent: Mutt/1.5.21 (2010-09-15)

I have a fairly involved script that handles some build management 
tasks, which can run for as long as several hours.  I've recently seen 
it fail primarily due to failures to fork due to insufficient memory.  
I took a look and saw the bash process consuming as much as 3+ GB of 
memory.  I'm not doing anything where I'd expect to be consuming that 
much memory.

Does anyone have suggestions on ways to debug the use of memory, so 
I can identify and hopefully eliminate the offending code?  Due to the 
complexity and lengthy runtime of the script, it's unlike I'll be able 
to boil it down to a trivial case.


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