Hi,
THis is a core problem in Dovecot in my understanding.
In my opinion, the rescan in dovecot should send to the FTS plugin the list of "supposedly" indexed emails (UID), and the plugin shall purge the redundant UID (i..e UID present in the index but not in the list sent by dovecot) and send back the list of UID not in its indexes to dovecot, so Dovect can send one by one the missing emails
WHat do you think ?
-------- Original Message --------
| Subject: | [grosjo/fts-xapian] `doveadm fts rescan` removes all indices (#15) |
|---|---|
| Date: | 2019-02-08 08:28 |
| From: | Leonard Lausen <notifications@github.com> |
| To: | grosjo/fts-xapian <fts-xapian@noreply.github.com> |
| Cc: | Subscribed <subscribed@noreply.github.com> |
| Reply-To: | grosjo/fts-xapian <reply+0022e607fd2eb3ff93959543198455bc7db5bdd58aa0286b92cf000000011874f1ae92a169ce185221c2@reply.github.com> |
doveadm fts rescan -A deletes all indices, ie. all folders and files in the xapian-indexes are deleted. However, according to man doveadm fts, the rescan command should only
Scan what mails exist in the full text search index and compare those to what
actually exist in mailboxes. This removes mails from the index that have already
been expunged and makes sure that the next doveadm index will index all the
missing mails (if any).
Deleting all indices does not seem to be the intended action, especially as constructing the index anew may take very long on large mailboxes.
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