memory usage in mod_perl

David Miller justdave at
Wed Jan 17 00:57:07 UTC 2007

David Miller wrote on 1/16/07 7:53 PM:
> Max Kanat-Alexander wrote on 1/16/07 6:11 PM:
>>     If you know what specific variable is causing the problem, you
>> can "undef $var" before your subroutine exits, and that can handle it.
>> But you have to specifically undef it for perl to release it.
> I was guessing that's probably what it was.  We don't have a whole lot 
> of variables that are likely to occupy huge amounts of memory.  A 
> buglist is a darn good candidate.  A good start would probably be 
> undef'ing the bug object cache in our cleanup handler.

Another good candidate would be the dependency hashes in 

Dave Miller                         
System Administrator, Mozilla Corporation
Project Leader, Bugzilla Bug Tracking System

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