Is the apache running then after monit start? If so, is the pidfile updated with correct pid?
On Jun 24, 2010, at 2:55 PM, Tong Anh Quan wrote:
I am sure about the pidfile location because of I am using CentOS. Moreover, I re-checked it in init script:
# grep pidfile /etc/init.d/httpd
# pidfile: /var/run/httpd.pid
On Thu, Jun 24, 2010 at 5:17 PM, Martin Pala <address@hidden>
The pidfile should be created either by the start script or started program itself (in this case apache).
Are you sure that your apache instance creates the pidfile /var/run/httpd.pid? The pidfile location depends on apache configuration (for example ubuntu uses usually /var/run/apache2.pid which can be customized either via apache2.conf PidFile statement or apache's envvars file APACHE_PID_FILE variable)
On Jun 24, 2010, at 11:49 AM, Tong Anh Quan wrote:
> Have you solved this problem? Today, the same thing happen to me. My monit.conf:
> check process apache with pidfile /var/run/httpd.pid
> start program = "/etc/init.d/httpd start"
> stop program = "/etc/init.d/httpd stop"
> if cpu > 60% for 2 cycles then alert
> if cpu > 80% for 5 cycles then restart
> if totalmem > 600.0 MB for 5 cycles then restart
> When the Apache reach the threshold, monit attempts to restart Apache without pid file, therefore it thinks Apache fails to start:
> [ICT Jun 24 12:50:19] error : 'apache' total mem amount of 647948kB matches resource limit [total mem amount>614402kB]
> [ICT Jun 24 12:50:20] info : 'apache' trying to restart
> [ICT Jun 24 12:50:20] info : 'apache' stop: /etc/init.d/httpd
> [ICT Jun 24 12:50:21] info : 'apache' start: /etc/init.d/httpd
> [ICT Jun 24 12:51:20] error : 'apache' process is not running
> [ICT Jun 24 12:51:20] error : 'apache' failed to start
> `pidof httpd` still return the parent and child's PID but there is no httpd.pid in /var/run.
> - monit start with root user
> - there is no error in Apache log
> Can anyone help me to debug this case? Thanks in advance.
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