Dear Erik,
There is a possiblity that if your users having large mailbox
size....
Regards,
Ganesh Payelkar
On Mon, Jun 22, 2009 at 12:18 PM, Guidi, ColliniConsulting S.a.s. <
[email protected]> wrote:
> Hello,
>
> The cpu and ram are ok, the slowness and random occurs when all users are
> in the office.
> In addition I have seen that there is a mailbox that contain huge amounts
> of mail.
> Thanks in advance.
>
>
>
>
>
>
>
> Erik Guidi
>
> Support Specialist
>
> ____________________________________
>
> *Collini Consulting S.a.S.*
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> *Da:* Phil Leinhauser [mailto:[email protected]]
> *Inviato:* venerdì 19 giugno 2009 18.33
> *A:* [email protected]
> *Oggetto:* Re: [qmailtoaster] imap connections very slow
>
>
>
> Hey Jake,
> Looks like a really good topic for the videos. I personally would like to
> see tuning hints and tips for things like IMAP, Squirrel / httpd, etc.
>
> Currently I'm inundated by HTTPd sessions dragging the server down. I have
> to reboot every couple weeks to clear it out.
>
> Phil
>
> > Guidi, ColliniConsulting S.a.s. wrote:
> >> Hello to all,
> >> To solve the problem of slow connections imap I was told to do the tune
> >> of courier-imap, how do I tune to the courier-imap?
> >> I searched in google but I have not found anything that gives an
> >> indication.
> >> Thank you
> >>
> >>
> >> Erik Guidi
> >>
> >> Support Specialist
> >>
> >
> > Tuning is somewhat of an art. You need to find where the bottleneck or
> > limited resource is, then change the configuration to eliminate the
> > constraint.
> >
> > When things run slowly, it's often the result of the application waiting
> > for something. It could be waiting for a variety of things. The first
> > and easiest things to check are cpu and memory. 'top' shows you much of
> > what's going on in those arenas.
> >
> > Next I'd check the imap and imap-ssl logs for indications of a problem
> > or wait of some kind.
> >
> > If you only experience slowness when the number of users is large, then
> > it's possible that each use is using a resource that is limited, such as
> > a mysql connection (for authentication). I'm not sure where you'd look
> > to see what's going on there, but the mysql log would be a good place to
> > start looking.
> >
> > How many users are connected at once when you experience this slowness?
> > --
> > -Eric 'shubes'
> >
> >
> >
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