[dev] datatree sql driver

[Jan Schneider]

Zitat von Didi Rieder <adrieder at sbox.tugraz.at>:

> the latest version of the datatree system (?) has a horrible
> preformance. I noticed it after updateing our production server (I was
> running cvs HEAD from end of October) to the cvs version from yesterday.
> Our 4-way SUN which acts as SQL-server for horde got a load of over
> 100 (!), as soon as we had a normal weekday number of users on our
> webmail system.
> When I set the datatree diver to "null" everything was normal again.
> Can someone tell me what to do? How can the performance be improved?
> Or a more basic question (sorry for that): What are the advantages of
> the sql datatree driver in which horde application?

It does provide required DataTree functionality, while the null driver  
only keeps you from getting error messages.

Jan.

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