[Dovecot] Couldn't init INBOX: Can't sync mailbox: Messages keep getting expunged

[David Jonas]

Timo Sirainen wrote:
> On Mon, 2008-05-05 at 17:46 -0700, David Jonas wrote:
>>> Anyway, this fixes the problem:
>>> http://hg.dovecot.org/dovecot-1.1/rev/b776f2b8d827
>> Well, it looked good but pop3 processes started accumulating and pretty 
>> soon the load was over 50. No errors were getting logged. strace showed 
>> some processes waiting for disk and others being served their mail. 
>> IO-wait was bouncing off 100%.
> 
> I don't think that patch has the ability to cause such a large
> performance problem.
> 
> Sounds more like Dovecot is recalculating virtual message sizes for
> existing files. It should have looked up the values from
> dovecot.index.cache files though. Or did you delete them?

I didn't delete any files. Switching back to 1.0.2 (after some major 
cujoling) it's now running at a fine clip under load 1.

I'll try it again. Perhaps it was a freak coincidence.