popminpoll and load

[Ken Murchison]

Phil Chambers wrote:

> With our former UW server there was a major load issue with POP users who had "leave 
> mail on server" set.  With a large inbox each POP connection involved reading and 
> parsing the whole inbox, just to find out that there was nothing new.  I patched the 
> code to restrict the connection frequency to control the load.
> 
> When I set up cyrus I set popminpoll to continue the same policy.
> 
> However, I would like to know if I could reasonably reduce the interval or do away 
> with it entirely.  Am I right in guessing that with cyrus there is very little 
> overhead in pop3d generating the UID list?  I assume it just has to read one of the 
> cyrus.xxx files.

This is correct.  Opening a large mailbox is a fairly cheap operation 
for Cyrus, as compared to UW.

-- 
Kenneth Murchison     Oceana Matrix Ltd.
Software Engineer     21 Princeton Place
716-662-8973 x26      Orchard Park, NY 14127
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