[horde] datatree affecting performance

[samer khalil]

Thanks Andreas,

Is it safe to run it on a live platform?

SK

On Mon, Feb 22, 2010 at 2:31 PM,  <lst_hoe02 at kwsoft.de> wrote:
> Zitat von samer khalil <samerk at aub.edu.lb>:
>
>> Hi,
>>
>> We're using  (horde) 3.3.6, (imp) H3 (4.3.6),  (turba) H3 (2.3.3) and
>> (kronolith) H3 (2.3.3) with Oracle 10G as backend database.
>>
>> Enabling Datatree in causing huge performance degradation on the
>> Database server. Load on the apache/php server remains quite
>> acceptable.
>> The load starts when simultaneous logged in users reaches 1200 and
>> becomes nonfunctional  when this number exceeds 1500.
>> Is there a way to tune datatree for large environment without having
>> to disable shares?
>
> Taken from horde/docs/PERFORMANCE :
>
> Application tuning
> ==================
>
> * Horde 3.2+ and some applications have better performing drivers for
> Groups,
>  Permissions and Shares than the original DataTree drivers. If you upgraded
>  from older Horde versions, you can change the driver for those systems to
>  "SQL" in the Horde configuration interface. You also have to run the
>  according ``convert_datatree_*.php`` scripts in ``horde/scripts/upgrades/``
>  and the applications' ``scripts/upgrades/`` directories.
>
> But be aware that for older releases the SQL driver where considered as "not
> as thouroughly tested as datatree", whatever that means.
> You should also read the rest of this file if you handle some non trivial
> workload.
>
> Regards
>
> Andreas
>
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