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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 37680] - [PatchAvailable] httpd brings down system w/100% CPU+thrashing disks if num listening sockets drops to one on restart/graceful
Date Fri, 01 Sep 2006 23:26:00 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=37680





------- Additional Comments From oneill@oinc.net  2006-09-01 23:26 -------
(In reply to comment #6)
> I can reproduce this on httpd-2.2.3, but only if I use the "worker" MPM.  The
> default "prefork" MPM seems unaffected by the bug in 2.2.x -- I haven't yet
> looked into why that's the case.  Brian: Were you using "worker"?
> 

I was using prefork, but for some reason I can't reproduce the exiting process
problem now...it's spinning in the CPU with EAGAINs like with 2.0.59 this time
(I rebuilt from pristine source). I must have done something else that time and
don't remember what.

I didn't encounter a fork-bomb, but in 2.0.55/worker at least (where I first
started investigating this) it ate all the memory of the system, which hung it
pretty quick. Fortunately it was a test Xen instance.

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