On Thu, Mar 24, 2011 at 3:25 PM, gre taguran <[email protected]> wrote:
> Not sure if it has something to do with the PHP... we are using PHP
version 5.2.x which I read somewhere that it has a bug(memory leak when
doing a child object, this will be resolved on PHP 5.3 though.)
>
> My concern for now is I want to kill those entire httpd process so that it
would start a new one. Unfortunately when we do a restart of httpd, the
usage would go up to 100% again after 3 seconds, it would be impossible that
someone is already accessing the server after restarting httpd.
>
> BTW I'm doing a stop and then start, there's at least a 10 seconds
duration before starting httpd again.

Can you paste the results of the ps axuf command? In particular, the one
that involves the Apache process.

See below for an example from our server:

[root@manila-proxy ~]# ps axuf
USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
...
root      2017  0.0  0.1  10080  3488 ?        Ss   Feb09   0:00
/usr/sbin/httpd
apache   27872  0.0  0.1  10080  2224 ?        S    Mar20   0:00  \_
/usr/sbin/httpd
apache   27873  0.0  0.1  10080  2224 ?        S    Mar20   0:00  \_
/usr/sbin/httpd
apache   27874  0.0  0.1  10080  2224 ?        S    Mar20   0:00  \_
/usr/sbin/httpd
apache   27875  0.0  0.1  10080  2224 ?        S    Mar20   0:00  \_
/usr/sbin/httpd
apache   27876  0.0  0.1  10080  2224 ?        S    Mar20   0:00  \_
/usr/sbin/httpd
apache   27877  0.0  0.1  10080  2224 ?        S    Mar20   0:00  \_
/usr/sbin/httpd
apache   27878  0.0  0.1  10080  2224 ?        S    Mar20   0:00  \_
/usr/sbin/httpd
apache   27879  0.0  0.1  10080  2224 ?        S    Mar20   0:00  \_
/usr/sbin/httpd

--
Matt Arnilo S. Baluyos
http://www.onxiam.com/people/mbaluyos/

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