On 13 Jan 2019, at 10.45, Joan Moreau via dovecot <dovecot@dovecot.org> wrote: > > Now, I can see in the logs that several times, the dovecot calls the > fts_backend_xapian_update_set_mailbox with box == NULL. WHy so ? > fts-api.h says:
/* Switch to updating the specified mailbox. box may also be set to NULL to make sure the previous mailbox won't tried to be accessed anymore. */ void fts_backend_update_set_mailbox(struct fts_backend_update_context *ctx, struct mailbox *box); So it's just telling you that you can close/free any stuff related to that mailbox. >> additionally, my logic is that the backend stores one databalse per mailox >> in /xapian-indexes (in the "root" dir of the user), the name od the database >> is the GUID of the mailbox >> >> For INBOX, that works perfectly, and database is properly createdm and >> backed starts indexing all emails >> >> For other folder, somehow, the process can not access that (root) folder. >> >> Am I missing something ? >> This is a bit ambiguous, because some people mean mailbox=folder and others mean mailbox=user account, and GUID can also be the internal Dovecot folder GUID, or a GUID of the user. I'd recommend using a single database per user anyway.