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List:       horde-dev
Subject:    Re: [dev] Caching of Ldap groups
From:       Michael M Slusarz <slusarz () horde ! org>
Date:       2014-04-28 21:03:55
Message-ID: 20140428150355.Horde.sonjXMc9gdq43nRmZipgOg5 () bigworm ! curecanti ! org
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Quoting Lukas Macura <macura@opf.slu.cz>:

> Hi to all,
>
> we are implementing horde in campus and we use LDAP groups. There  
> are big problems with speed, especially in kronolith because of
>  ListGroups function which is called many times and each time it  
> searches in LDAP.
>
> We made small patch for ./framework/Group/lib/Horde/Group/Ldap.php  
> which uses memcache for listGroups.  It is much more proof of  
> concept, but it helped a lot. Before this patch, kronolith events  
> loaded after 12seconds and it took about 50 LDAP searches. Now,  
> everything loads up to 2 seconds.

1. Horde_Cache should be used instead of memcache directly.
2. The code should first be refactored to ensure that duplicate LDAP  
searches are not occurring in a single access, which is what I believe  
you are claiming.  Then you would get the 6x speedup pre-caching.

michael

___________________________________
Michael Slusarz [slusarz@horde.org]

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