Date: Thu, 21 Feb 2008 12:39:01 -0600 From: Derek Ragona <derek@computinginnovations.com> To: Forrest Aldrich <forrie@forrie.com> Cc: freebsd-questions@freebsd.org Subject: Re: 6.3-STABLE Apache 2.0 uses high CPU when restarted.... Message-ID: <6.0.0.22.2.20080221123805.0252b0b8@mail.computinginnovations.com> In-Reply-To: <47BDBB92.4070505@forrie.com> References: <47BD8BE3.8070209@forrie.com> <6.0.0.22.2.20080221094221.0253fe28@mail.computinginnovations.com> <47BDBB92.4070505@forrie.com>
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At 11:57 AM 2/21/2008, Forrest Aldrich wrote:
>Derek Ragona wrote:
>>At 08:34 AM 2/21/2008, Forrest Aldrich wrote:
>>>I recently recomplied the apache20 port (updated) with no compile-time
>>>changes. Since that time, I noticed it was hogging 98% of the CPU and
>>>hanging. I adjusted the various Max/Min server levels and that seemed
>>>to fix it - except at midnight when the logs are rotated and the server
>>>is sent a HUP signal. When that happens, all the processes die except
>>>one and it hangs at 90% CPU. I kill it off, restart it manually and it
>>>behaves fine.
>>>
>>>Here's a recent output of "top" :
>>>
>>>PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND
>>>94711 www 1 117 0 41036K 13852K RUN 0 1:43 98.69% httpd
>>>
>>>The only thing that has changed on the system is an upgrade from
>>>MySQL-4.1 to MySQL-5.1, which I wouldn't expect httpd to be affected by,
>>>but I could be wrong. To be sure, I recompiled it, PHP and any
>>>dependencies that PHP has, but I'm still seeing the same result.
>>>
>>>I tried compiling MySQL-5.1 with and without pthreads and see the same
>>>CPU consumption issue.
>>>
>>>I wonder if I've hit a bug or if I've possibly messed something up (as
>>>careful as I've been anyway).
>>>
>>>
>>>
>>>Thanks,
>>>
>>>Forrest
>>
>>What is showing in the apache logs when this happens?
>>
>> -Derek
>
>The only thing I see are multiple lines of these errors in error_log:
>
>[Thu Feb 21 00:00:12 2008] [error] child process 63633 still did not exit,
>sending a SIGKILL
>[Thu Feb 21 00:00:12 2008] [error] child process 63634 still did not exit,
>sending a SIGKILL
>[Thu Feb 21 00:00:12 2008] [error] child process 63635 still did not exit,
>sending a SIGKILL
>[Thu Feb 21 00:00:12 2008] [error] child process 63636 still did not exit,
>sending a SIGKILL
>[Thu Feb 21 00:00:12 2008] [error] child process 63637 still did not exit,
>sending a SIGKILL
>[Thu Feb 21 00:00:12 2008] [error] child process 63983 still did not exit,
>sending a SIGKILL
>[Thu Feb 21 00:00:12 2008] [error] child process 64048 still did not exit,
>sending a SIGKILL
>
>
>Which is correct, as the process is not exiting. For some reason it's
>hanging. The old binary did not do this.
>
>I could try another system update today (make/build/install world and
>recompile the apache executable and dependencies) to see if this solves
>the problem...
>
>
>Thanks,
>
>Forrest
I would try to see if there's an update, otherwise you might need to post a
bug report to apache.
-Derek
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