[horde] Memcache issue

Michael M Slusarz slusarz at horde.org
Fri May 23 17:36:28 UTC 2014

Quoting Arjen de Korte <arjen+horde at de-korte.org>:

> Citeren Administrator BCS <adje at bezoekerscentrumsonsbeek.nl>:
>> Got Horde is up and running but performance is not what it should  
>> be. It seems I have a problem with memcache. Memcache is up and  
>> running, I can connect to it with telnet localhost 11211, but the  
>> stats tells me nothing is happening there.
> First question, how many concurrent users do you have? If there is a  
> performance issue, installing memcache is not magically going to fix  
> that for you. In you case it might help only if you have a problem  
> with storing/retrieving session information, but that will happen  
> only if you have many concurrent users and are starved on I/O. And  
> even then using native memcache sessions might be preferred over  
> using a distributed hashtable for caching session information.

There is no appreciable performance difference between the two on a  
modern system, with the advantage that Horde_Sessionhandler sessions  
allow things like large session data and statistics and also doesn't  
require you to change system-wide settings in your php.ini file (which  
should be avoided as much as possible).


Michael Slusarz [slusarz at horde.org]

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