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

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