Kronolith and nag are dead slow

[Gunnar Wrobel]

Hi Alexander,

Zitat von Alexander Gran <alex at grans.eu>:

> Am Sonntag 31 Oktober 2010, 22:30:48 schrieb Gunnar
> Wrobel:
>> Hm, I don't think fetchmail is really comparable to
> Horde. But
>> basically you want to say that your IMAP server seems
> to be slow?
>
> Args, well. yes, but I was kind of wrong.
>
> I just retested by giving another user access to the
> supposely slow calendar and it was fast. So its not the
> 1103 mails.
> Looking again at the system, I see:
> I have 100% apache load while waiting for things to
> happen, and only sometimes 20% imapd load.
> I now logged in as the problematic user. (dimp) Then
> just the click on Kalendar results in 2MB transfer log.
> Here is the timing:
> cyrus at webmail:/var/lib/cyrus/log/USER.com$ grep \<1288
> * | cut -d\< -f 2 | sort | uniq
> 1288561238
> 1288561250
> 1288561251
> 1288561252
> 1288561253
> 1288561254
> 1288561255
> 1288561256
> 1288561257
> 1288561268
> 1288561269
> 1288561270
> 1288561271
> 1288561272
> 1288561273
> 1288561311
> 1288561313
> 1288561371
> 1288561373
>
> What strikes me is the first delay between second 38
> and 50. What happens here is:
>> 1288561238>* LIST (\HasChildren) "/" "INBOX"
> (Then a looong response).
> A0007 OK Completed (0.070 secs 2373 calls)
> <1288561250<A0008 GETANNOTATION "INBOX"
> "/vendor/kolab/folder-type" "value.shared"
>
> This GETANNOTATION  is then done for each and every of
> the 2300 folders, taking until 1288561254
>
> Am I right that the server needs 12 seconds to process
> the folder list?

Yes. This is in fact a known issue. It shouldn't happen with each and  
every page request but just during login though. But the problem  
originates from using the internal PHP IMAP library. This will be  
fixed with Horde4 where we move away from that to a new implementation.

Cheers,

Gunnar

> It is the same with 1288561257 until
> 1288561268.
>
> 1288561311 are new logins 1288561371.
>
> Do I have a chance to get timing data from horde, too?
>
> regards
> Alex
> --
> Dipl.-Inform. Alexander Gran, MBA
> Neusser Straße 388  50733 Köln  Germany
> M: +49(0)163/5598933  Encrypted Mails welcome.
> Steuernummer 217/5094/3247 Ust-IdNr.: DE259069010
> PGP-Key at http://www.grans.eu/misc/pgpkey.asc | Key-
> ID: 0x6D7DD291
>
> _______________________________________________
> Kolab-users mailing list
> Kolab-users at kolab.org
> https://kolab.org/mailman/listinfo/kolab-users
>



--
Gunnar Wrobel
Developer, Kolab Systems AG

e: wrobel at kolabsys.com
t: +49 700 6245 0000
w: http://www.kolabsys.com

pgp: 9703 43BE

----------------------------------------------------------------
This message was sent using IMP, the Internet Messaging Program.