[Dovecot] Dovecot Max Connections & mbox vs. maildir format - Recommendations?

[Roy Sigurd Karlsbakk]

On 24. mai. 2009, at 20.13, V S Rao wrote:

> I am changing the subject line to reflect the discussion.
>
> I too have a similar case with large mailboxes. My user mix is 70%  
> POP3 vs. 30% IMAP. Would maildir still be the best recommended  
> format? What is the opinion of the experts here?
>
> The reason I am asking is that I am preparing to upgrade my mail  
> server to RHEL 5.3. That would mean my Dovecot will be atleast  
> 1.0.7, which should not be bad. If the recommendation is that I go  
> from mbox format to Maildir, I want to plan that as well. However I  
> don't want to land up in a situation where, I have to move back from  
> Maildir to mbox again. So please do advice me on the best.


IIRC RHEL only supports EXT3, not XFS/JFS and so on. ext3 is nice with  
large directories only if dir_index is enabled (tune2fs -O dir_index / 
dev/something). If dir_index is not enabled, ext3 will perform quite  
terribly with some 1000+ files in a directory. Apart from that, I  
would guess maildir would be best both for IMAP and POP.

roy
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