[Dovecot] dovecot.index.cache

[Fintec]

Thanks for the explanation Timo, much appreciated. As you stated we were
moving mailbox's from a 32bit machine to a 64bit.

Thanks again,
Gavin

On Tue, 2006-05-30 at 16:01 +0300, Timo Sirainen wrote:
> On Sun, 2006-05-21 at 23:31 +1200, Fintec wrote:
> > Hopefully someone can explain/help me with the dovecot.index.cache
> > file. 
> > 
> > I am wanting to move a dovecot server (v1.0b7) onto a new box running
> > the same version (1.0b7) of dovecot. To do this I rsync'd the maildir
> > files to the new server but when I logged into the new machine through
> > IMAP dovecot reported:
> > IMAP(username): file index-mail.c: line 105
> > (index_mail_get_fixed_field): assertion failed:
> > (buffer_get_used_size(buf) == data_size)
> > 
> > As soon as I delete the dovecot.index.cache file within the users
> > mailbox this error goes away. Great, but that now I have some questions:
> > 
> > 1) Does the dovecot.index.cache file store/cache server specific
> > settings? If not why did it cause this error on the new box with exactly
> > the same dovecot version and dovecot.conf?
> 
> This error is caused by moving from 32bit machine to 64bit machine. The
> cache file format contains a couple of fields which depend on if Dovecot
> was compiled as 32bit or 64bit binary. This is a bug and I'll fix it at
> some point (fix being to delete the cache file)..
> 
> > 2) What will happen if I delete the dovecot.index.cache file for all
> > users?
> 
> Nothing. Dovecot might run slightly slower until its contents are
> created back from the actual mail files. Cache file contains nothing
> that isn't regenerated automatically when it's not found in there.