[Dovecot] Migration questions...
richard.hobbs at crl.toshiba.co.uk
Fri May 15 10:34:00 EEST 2009
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?
Richard Hobbs (IT Specialist)
Toshiba Research Europe Ltd. - Cambridge Research Laboratory
Email: richard.hobbs at crl.toshiba.co.uk
Tel: +44 1223 436999 Mobile: +44 7811 803377
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