Ronan SALMON wrote:
Tornoci Laszlo <[email protected]> a écrit :
We had excellent response times before the upgrade. The problem is,
we still have excellent response times (practically instantaneous
mailbox lists with > 3000 mails in one folder) most of the time, BUT
sometimes for long periods of time, I get miserable response times
(30-80 sec waiting) for the same large mailbox to be listed. "top"
show the http process to shoot up to 100% cpu while waiting, but
nothing else remarkable. Restarting http or mysqld doesn't help.
Logging in is not slow. The larger a mailbox, the worse the problem
is.
After some time, response times get back to normal.
It's not the IMAP box. Using IMAP clients, direct access to the IMAP
box shows absolutely no difference.
Do you have any hook enabled ?
(Forgot to send the answer to the list.)
Yes, _imp_hook_msglist_format, to display attachment info. Users can't
live without it. I have always enabled this, and the response times were
ok before. The slowdowns are only temporary and independent of session
number.
Yours: Laszlo
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