[imp] IMP 3.2.1 very slow

[z33k666 at icqmail.com]

Quoting Rick Romero <rick at havokmon.com>:

> On Thu, 2003-04-24 at 15:12, z33k666 at icqmail.com wrote:
> > Quoting Andreas Danzer <ad at ixx.com>:
> > 
> > > > This has nothing to do with 'mcrypt' or the changes made in Horde. 
> > > Instead,
> > > > it sounds like you have large mail folders.  If using either mbox
> format
> > > of
> > > > maildir format, past a certain size of mailbox (depending on OS,
> caching,
> > > > file system, software, speed of hardware, etc.) they all begin to take
> > > > performance hits on the _mail server_ side, not Horde/IMP.  For proof
> of
> > > > this, try logging directly into your IMAP server (e.g. 'telnet
> localhost
> > > > imap').  Go to a directory with a lot of messages (my trash directory
> has
> > > > 4000+ messages in maildir format on a reiserfs file system). Then do
> an
> > > > IMAP search query for unread messages.
> > > 
> > > Actually it doesn't just take ages to display the messages - IMP isn't
> > > able to diplay anything and it's even not possible to login at all
> > > (timeouts are set to 1/2 hour). This IS an imp/horde problem as we're
> > > able to connect to that mailbox with other frontends. Speed of hardware
> > > is hardly an issue as them machines are 2,4GHz P4s with plenty of RAM
> > > and a fast disk-array.
> > > 
> > > I still think that Horde/IMP is a great piece of software, but it
> > > looks like that there are some configuration where it's not working
> > > well...
> > > 
> > > Best regards
> > > Andreas Danzer
> > > 
> > > 
> > > -- 
> > > IMP mailing list
> > > Frequently Asked Questions: http://horde.org/faq/
> > > To unsubscribe, mail: imp-unsubscribe at lists.horde.org
> > > 
> > 
> > 
> > I have had severe speed problems as well.  I read a thread (somewhere) that
> PHP
> > 4.3.x may have something to do with it.  I downgraded to PHP 4.2.3 and the
> speed
> > problems went away.
> > 
> > I changed everything, c-client, apache, mcrypt, no mcrypt, IMAP servers,
> etc...
> > before I found the thread mentioned above.  I tried logging in with a
> non-PHP
> > client and there were no speed issues.
> 
> FWIW, I have noticed that c-client is also a common element...
> 
> > With PHP 4.3.1, while watching the IMAP logs, it would take 30+ seconds for
> the
> > server to actually process the login after a button was pressed (the user
> is
> > logged in and out after *any* IMAP request).   After switching to PHP
> 4.2.3, the
> > login process took less than 2 seconds.
> > 
> > I do not know why this happens.  I cannot find a lot of info on this
> problem. 
> > All I know is, it worked for me on both my production and development
> servers.
> > 
> >     * Horde: 2.2.1 and Horde: 3.0-cvs
> >     * IMP: 3.2.1 and IMP: 4.0-cvs
> >     * Turba: 1.2 and Turba: 2.0-cvs
> >     * PHP Version: 4.2.3
> 
> I haven't updated my Horde 2.1/ IMP 3.1 install yet, but I have
> Horde-cvs and IMP-cvs also installed on the same box.  I run PHP 4.3.1,
> and neither install is having any 'slowness' issues.  
> 
> I run Courier IMAP.
> 
> Rick
> 
> > Zeke
> 
> 

A little more info on my setup - Slackware; MySQL 4.0.10; c-client-2001a; Apache
1.3.27

Everything works fine with PHP 4.2.3.

Zeke