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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