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
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