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Re: [monit] Apache Uptime Problem


From: Martin Pala
Subject: Re: [monit] Apache Uptime Problem
Date: Sun, 7 Mar 2010 10:05:52 +0100

Monit present the uptime based on timestamp of process' pidfile ... it is based 
on assumption that pidfile is created/updated only when process starts. Apache 
behaves differently though and it updates the pidfile timestamp even when the 
process PID doesn't change - such as on on reload (which could be called also 
after logrotate).

We will change monit to present real uptime based on process table information 
- not pidfile timestamp.

Regards,
Martin


On Mar 4, 2010, at 10:31 PM, nima chavooshi wrote:

> Hi
> First of all thanks for your efforts about this package.
> I have problem with uptime apache in monit panel.
> After run "apache2 reload" uptime of apache in monit is changed to
> "0"!! but the start time and pid of first apache process is not
> changed.of course another childs and apache process is changed.
> I think after reload of apache, monit shows uptime based on one of
> childs not first apache process!!
> for example on my server apache processes before and after reload are as 
> below:
> before:
> root      8618  0.0  0.2 167556 10980 ?        Ss   11:33   0:00
> /usr/sbin/apache2 -k start
> www-data 11370  0.0  0.5 170584 21388 ?        S    15:00   0:01
> /usr/sbin/apache2 -k start
> www-data 17885  0.0  0.6 175812 26664 ?        S    14:49   0:00
> /usr/sbin/apache2 -k start
> www-data 17886  0.0  0.5 170584 21292 ?        S    14:49   0:00
> /usr/sbin/apache2 -k start
> www-data 17888  0.0  0.5 170644 22948 ?        S    14:49   0:01
> /usr/sbin/apache2 -k start
> www-data 17889  0.0  0.5 171532 24128 ?        S    14:49   0:01
> /usr/sbin/apache2 -k start
> www-data 18270  0.0  0.5 170036 22912 ?        S    14:50   0:01
> /usr/sbin/apache2 -k start
> 
> 
> after reload apache:
> 
> root      8618  0.0  0.2 167556 11028 ?        Ss   11:33   0:00
> /usr/sbin/apache2 -k start
> www-data 24935  0.0  0.1 167692  6964 ?        S    15:47   0:00
> /usr/sbin/apache2 -k start
> www-data 24936  0.0  0.1 167556  6628 ?        S    15:47   0:00
> /usr/sbin/apache2 -k start
> www-data 24937  0.0  0.1 167556  6628 ?        S    15:47   0:00
> /usr/sbin/apache2 -k start
> www-data 24938  0.0  0.1 167556  6628 ?        S    15:47   0:00
> /usr/sbin/apache2 -k start
> www-data 24939  0.0  0.1 167556  6628 ?        S    15:47   0:00
> /usr/sbin/apache2 -k start
> 
> Thanks for any help or guidance
> -- 
> N.Chavoshi
> 
> 
> --
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