On 2010-06-25 11:02 PM, Stan Hoeppner wrote:
This is a pet peeve of mine. Recent TB revs default to opening 5 IMAP connections.
It's default has been 5 connections since for as long as I can remember that option being there, and we've been using TB exclusively in our office since about version 0.9...
Some time ago I did more than cursory testing and found that TBird only uses 1 of the 5. The other 4 just sit there idle, adding clutter to the process list and eating a small amount of RAM.
I don't think this is accurate... I say this because I recall a problem a long time ago where I had to decide between lowering the number of TB connections, or raising the max per IP for the Courier IMAP server we were using at the time - I chose the latter (change it in one place rather than many dozens)...
http://kb.mozillazine.org/IMAP:_advanced_account_configuration
Anyway, since testing I force all my user TBird configs to a single IMAP connection. No problems.
Whether or not this will work depends on the environment...
I think what matters is that the number of connections that TB is expecting to be able to use be *less* than the max supported by the IMAP server. I do know that as soon as I changed the MAX number of connections per IP in Courier to 5, all of our problems went away.
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Best regards,
Charles