[Dovecot] dovecot fts_lucene indexes not being updated

[Timo Sirainen]

On 19.5.2012, at 23.40, Joe Beaubien wrote:

> Ok, I enabled rawlog and noticed the code was only sending "SEARCH FROM". I
> modified it to also send a "SEARCH TEXT" and it triggered the fts index
> update.
> 
> However, in my use case, that's not the search that needs to be done. The
> search needed is "SEARCH FROM". It's not practical (or efficient I imagine)
> to send a "SEARCH TEXT" for every folder before sending a "SEARCH FROM",
> just to be sure the indexes are up-to-date.

SEARCH FROM doesn't update the Lucene index, because it can usually be looked up quite fast also from dovecot.index.cache file. Of course if you're not delivering mails via dovecot-lda/lmtp that doesn't get updated.

> If i could just do an update of the entire account (all folders) right
> after I download new emails, that would be the least painful (I think). I
> thought "fts_index_timeout" or "doveadm fts rescan -u my_user" would help
> me achieve this, but those 2 options never seem to trigger an update on the
> fts indexes. Any idea if I did something wrong there?

You can run "doveadm index -u user" to get new mails indexed.