[horde] PHP errors after webmail 1.2 upgrade

[Andrew Morgan]

On Wed, 1 Oct 2008, Peter Meier wrote:

> Hi
>
>>> 3. My datatree remains empty (I'm thinking this isn't actually a
>>> problem, but wondering what the preferred method of data storage
>>> currently is.)
>>
>> I would recommend NOT using the new SQL share driver if you have a
>> heavily loaded Webmail server.  The older "datatree" driver offers
>> substantionally better performance.  If you have less than 100 users, it
>> probably doesn't matter which way you go.
>
> jut a question, if you could explain in detail on which experience this
> conclusion is made?
>
> As the upgrade guide states:
>
> "The SQL drivers should perform much better than the DataTree versions,
> but they have not received the same level of testing, thus the beta
> designation."
>
> I think that most of the people (like me) will think, that the SQL
> drivers would perform better, but might have some stability issues.
> However you now say that this beta designation is more an issue on
> perfomance? So people should better not (yet?) switch?

Check out:

   http://bugs.horde.org/ticket/7363

There are always little issues like this that don't show up until you 
throw 1000 users at a system.  :)

BTW, the DataTree driver in older versions of Horde had similar 
performance issues, but it is very fast in the latest release of Horde.

 	Andy