Hi,
Sebastian is right:
On Mon, Jan 7, 2019, at 3:57 PM, Sebastian Hagedorn wrote:
squatter is nowadays a bit of a misnomer, because it uses whatever indexyou have configured. In cyrus 2.4, squatter would always create a SQUATindex. When you run squatter with Xapian, it will build the index, but forthe index to actually work, you also need the conversationsdb.
conversations.db is indeed a misnomer now. The database was only used to keep track of mail threads (hence the name), but its role expanded. One of the indexes it stores is the SHA1 hashes of every message, and separate hashes for each of that message MIME parts. Such a hash is named the GUID, and for each GUID we store a list of all mailbox:UID[bodypart] pairs where this content occurs in.
For search, we keep track of the indexed messages by GUID, so we can avoid reindexing duplicate mails. To return a search result, we can now map that GUID back to its mailbox:message pairs. That's why we need conversations.db for search.
I can't help with upgrading from 2.4, unfortunately, but if you re-index your mailboxes once in conversations.db, you should be all set.
Cheers,
Robert
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