[imp] Delay after login

[Jānis]

Citējot Michael M Slusarz <slusarz at horde.org>
Wed, 14 Dec 2011 14:12:41 -0700:

> Quoting Jānis <je at ktf.rtu.lv>:
>
>> Citējot Simon Brereton <simon.brereton at buongiorno.com>
>> Mon, 12 Dec 2011 09:18:18 -0500:
>>
>>> On Dec 12, 2011 3:36 AM, "Jānis" <je at ktf.rtu.lv> wrote:
>>>>
>>>> Hi!
>>>>
>>>> After upgrade to Horde 4.0.12 some strange delay showed up rigth after
>>> the login - browser shows about 50% progress, then freezes for some 5 -10
>>> (?) seconds and then the portal page opens (as it should).

> That PHP notice appears to be from the c-client imap module.  Which  
> isn't used in Horde 4 at all.

Ok, but anyway - what could be the reason this one (small) part of the  
complex taking so much server (apache) effort?

caching is on, interface caching is on, there are no warnings etc in logs.

May be there is a way to trace what's going on in these 15 secs?