[horde] Extremely slow kronolith on a CentOS 6.5 VM server

[Jan Schneider]

Zitat von Louis-Philippe Allard <lp.allard.1 at gmail.com>:

> Hi,
>
> I am facing a performance issue on a CentOS 6.5 virtual server where
> kronolith is extremely slow (takes 15+ seconds to load an event),
> navigating the calendar is also almost unusable.
>
> Server runs for a single user with lightly loaded calendar.
>
> [serveruser at centos ~]$ httpd -v
> Server version: Apache/2.2.15 (Unix)
> Server built:   Apr  3 2014 23:56:16
>
> [serveruser at centos ~]$ php -v
> PHP 5.3.3 (cli) (built: Dec 11 2013 03:29:57)
> Copyright (c) 1997-2010 The PHP Group
> Zend Engine v2.3.0, Copyright (c) 1998-2010 Zend Technologies
>
> [serveruser at centos ~]$ mysql -V
> mysql  Ver 14.14 Distrib 5.1.73, for redhat-linux-gnu (x86_64) using
> readline 5.1
>
> Server is not overloaded in any ways (8 cores at 3.1GHz, 52GB RAM) and
> shows normal to moderate SQL activity.
>
> No errors in httpd_error.log or in mysqld.log.
>
> How can I troubleshoot this?
>
> Thanks!

xdebug profiling is the first choice.

-- 
Jan Schneider
The Horde Project
http://www.horde.org/
https://www.facebook.com/hordeproject