[imp] Sluggish horde/imp

[Kevin Konowalec]

Thanks for your reply!  Unfortunately it didn't help - all my DNS  
info is correct as well as my /etc/hosts file.

I just checked and it seems we have PHP 5 on this machine... could  
that be an issue?



On Jun 21, 2005, at 1:54 PM, Benoit St-Andre wrote:

> Le mar, jun 21, 2005 at 01:39:11 -0600, Kevin Konowalec a écrit:
>
>> I'm got an IBM 325E server running OpenBSD with the latest releases
>> of Horde and Imp.  Cyrus mailserver.  There's lots of memory and lots
>> of disk.  The mcrypt extension is enabled in php.ini and the garbage
>> collection is set to be 1/100 probability.  Right now we're in pre-
>> production mode and only have a handful of concurrent users but
>> things are incredibly sluggish.  I've tried moving sessions from an
>> external MySQL backend to local PHP default sessions with zero
>> effect.  Logging on initially takes upwards of 40 seconds to get to
>> my inbox.  Is there any place I should be looking for obvious
>> performance boosts?
>>
>
> All the time I had those kind of problems, wrong or incomplete dns
> information was the key factor. Make sure everything is well in order
> (information in /etc/hosts , correct dns resolution in /etc/ 
> resolv.conf,
> etc). Often, we use IP adresses instead of domain names, but it's  
> easy to
> forget that a lot of processes in linux do dns query and reverse  
> dns query
> in the first time. When you add this effect on a small number of  
> users,
> that caused (for us at least) some delays of the same kind that you  
> are
> telling.
>
> -- 
> Benoit St-André
> ben at benoitst-andre.net
> Mon carnet web: http://benoitst-andre.net/blog/
> Connaissez-vous Linuxédu-Québec ? http://linuxeduquebec.org
>