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From Greg Ames <>
Subject memory leak on daedalus
Date Sat, 14 Jul 2001 01:28:02 GMT
Brian e-mailed me earlier today because he noticed the httpd processes on 
daedalus were starting to grow.  They were up to around 10-12M when he 
noticed it, so he restarted the server.  

I had bumped up MaxRequestsPerChild from 1000 to 2000 shortly after I put up 
the new 2.0.21-dev build, so after capturing a core dump of a process which 
was up to 5.8M, I lowered MRPC back to 1K and did a graceful restart.  That 
helped some (process size maxed out at around 5.5M) but still looked bigger 
than I remember with our old build (3-4M).  So I set MRPC down to 400 and did 
another graceful restart.  There are still a few at 5.5M, but most are 

Anyway, the core dump is in /usr/local/apache2.0.21-dev/corefiles, named 
httpd.core.fat (5.8M) and another named httpd.core.skinny for comparison 
purposes.  If anyone has any cool tools to analyse memory consumption, please 
speak up.  Otherwise, I'll resort to looking at random memory addresses and 
see what's there.


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