[Dovecot] When are search indexes updated?
Timo Sirainen
tss at iki.fi
Mon Oct 29 17:26:49 EET 2012
On 28.10.2012, at 4.46, Stan Hoeppner wrote:
>> * When are search indexes updated?
>
> When the index is stale.
>
>> * Are they updated incrementally?
>> * If not, why not?
>> * If so, why would a mailbox's index drift out-of-date, as mine had?
>
> When a sufficient number of messages are added to an IMAP folder the FTS
> index becomes stale. This index is not updated in real time. This is
> why Timo and others recommend cron'ing a script to index folders
> regularly that are searched regularly. This keeps the indexes up to
> date and keeps searches fast. If you don't do this or search often,
> your indexes become stale. Then each time you do an FTS search the
> first thing that happens is an FTS re-indexing of the mail folder. Only
> then does it display the search results.
Otherwise correct, but "re-indexing" is the wrong word. No already indexed mails are reindexed. Only new mails are added to the index.
More information about the dovecot
mailing list