Dovecot 2.3.8 - How to force index creation for user/mailbox?

[Tomek Lutelmowski]

Thanks, but both commands didn't create dovecot.index. Only when I open
folder with IMAP client, the dovecot.index is created.

wt., 3 gru 2019 o 18:16 Aki Tuomi <aki.tuomi at open-xchange.com> napisał(a):

>
> > On 03/12/2019 18:30 Tomek Lutelmowski via dovecot <dovecot at dovecot.org>
> wrote:
> >
> >
> > Hello,
> >
> > I'm using maildirs, and I have problems with big mailboxes (~ 20000
> emails, 30-50GB) - sometimes access to such mailbox takes very long (~10
> minutes), I would like to be able to create index for mailbox in
> background, but I couldn't find any way to do it. So far I tried:
> >
> > doveadm -D -vvv index -u user 'Folder'
> >
> > But even if this folder have no dovecot.index* files - I always get:
> >
> > doveadm(user): Info: Wersje robocze: Cache is already up to date
> >
> > It seems that doveadm doesn't actually checks if the index is present.
> The index is created only when I log with IMAP client and check the folder.
> >
> > So i tried:
> > doveadm mailbox cache purge -u user 'Folder'
> >
> > No joy either:
> > doveadm(user): Error: Cache is unusable
> >
> > And command below doesn't actually do anything to index:
> > doveadm -vvv force-resync -u user 'Folder'
> >
> > Is there any way to use doveadm tool to create/fix index? Shouldn't the
> index be updated on each email arrival?
> >
> > Cheers,
> > TomekL
>
> Try first 'doveadm fetch -u victim body ALL'. If this does not produce any
> useful results, try 'doveadm force-resync -u victim "*"'.
>
> Aki
>
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