[horde] Performance problems with horde4

[Vilius Šumskas]

> Hi list,
> 
> I have slight performance problems with horde4 which seem to be related to
> mysql/the preference backend. The server in question is running php 5.3.8
> and neither mysql nor the imap server are running on it. So far I am using
> horde3 groupware edition which performs really well.
> 
> I set up a horde4 installation and am experiencing delays when it comes to
> selecting a mailbox, a mail and reloading the sidebar. All of these operations
> take a couple of seconds which first led me to believe that this is related to
> the new imap library which turned out to be wrong. It seems that this is
> related to mysql connections- if I select php sessions as preference driver the
> installation is working fast.
> 
> I tried both mysql/PDO and mysql (mysqli) but the problem occurs with both
> of them.
> 
> Did I miss anything ? Are there any hints to speed up horde4/mysql to the
> speed of horde3 ?

You need more debuging than that. At complete reproducible steps with detailed system information. Or better yet, find a query which performs badly.

Also, do you have a reason to run mysql based sessions instead of file based?

-- 
   Vilius