[Dovecot] Migration questions...

[Seth Mattinen]

Richard Hobbs wrote:
> Curtis Maloney wrote:
>> Phillip Macey wrote:
>>>> Oh, we serve Maildir via Dovecot IMAP and 5000 messages per folder
>>>> are a wimp. Problems start if the user:
>>> We are having some performancec issues on our server at the moment -
>>> all I can put it down to is the large size of some maildirs. Eg. `ls
>>> -ld Maildir/cur` might show a directory >20Mb in size for some of our
>>> users (20-30k emails).
>>> (Performance issues == everything is running ok then all of a sudden
>>> load avg goes through the roof, system cpu time goes crazy. Reading
>>> mail grinds to a halt. Then everything recovers just as suddenly and
>>> the load avg gradually returns to normal levels)
>> At first glance this sounds like a large folder is being indexed... are
>> you using Dovecot deliver (which updates indices on deliver)?
> 
> This raises an interesting question for me actually... given that we've
> now decided dovecot and maildir is the way forward for us, which
> delivery method should we use in exim? exim can support maildir,
> (right?) and so can dovecot, so should i use dovecot's "deliver"
> mechanism, or exim's own internal mechanism?
> 

Only dovecot 'deliver' will update the index on delivery.

~Seth