[request-tracker-maintainers] Bug#649864: Bug#649864: request-tracker4: modperl apache2 config leads to memory full

[Dominic Hargreaves]

On Thu, Nov 24, 2011 at 12:57:30PM +0100, Olivier Berger wrote:
> On a 2Gb VM, I'm running a rebuilt package of RT 4 on a squeeze + backports system.
> 
> I configured the apache config to use mod_perl.
> 
> The memory used by the apache process is reported like this in top :
>   PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+   
> 18864 www-data  20   0  827m 345m 4428 S  0.0 17.2   0:08.15 apache2
> 18836 www-data  20   0  828m 345m 4388 S  0.0 17.2   0:08.64 apache2
> 18828 root      20   0  517m 322m 6124 S  0.0 16.1   0:03.40 apache2
> 18834 www-data  20   0  516m 316m  692 S  0.0 15.8   0:00.00 apache2
> 27804 mysql     20   0  173m  39m 7568 S  0.0  2.0   0:27.58 mysqld
> 
> I fear there's a problem with the memory management of RT, or RT with mod_perl.

Based on those figures alone, I wouldn't say that there was a problem.
You might find that people who have direct experience of running RT4 with
mod_perl can provide more feedback though (I haven't).

> I used to run RT 3.8 from squeeze before, and had experienced problems with memory full and actions not being executed because of memory exhaustion reported in the logs.
> 
> I tried to upgrade in order to see if things would be improving with the next version.
> 
> Is this a known problem ?

It's not clear yet that there is a problem.

-- 
Dominic Hargreaves | http://www.larted.org.uk/~dom/
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