Hi there. Here we got https://github.com/mkhludnev/solr/pull/1 it's a rough cut. How you feel about it?
On Wed, May 6, 2026 at 8:06 PM Mikhail Khludnev <[email protected]> wrote: > Hi > It looks like > https://github.com/apache/solr/blob/main/solr/core/src/java/org/apache/solr/search/mlt/CloudMLTQParser.java#L101 > is not clusteraware at all. > It lacks functionality, needs to be developed. > > On Wed, May 6, 2026 at 7:47 PM Till Kinstler <[email protected]> wrote: > >> Hi all, >> >> we have a use case, where we would like to make a MoreLikeThis Query >> Parser request across two collections (of multiple shards each) in a >> SolrCloud. The two collections share the same index schema. >> The request looks like >> q={!mlt qf=field1,field2}ID&collection=collection1,collection2 >> >> It results in an error message "Error completing MLT request. Could not >> fetch document with id [ID]" from one of the shards of the collection >> not containing the document with id ID. >> >> So I guess, while the MoreLikeThis Query Parser is "SolrCloud aware" and >> can handle MLT requests across multiple shards of one collection (works >> fpr us), it can not deal with multiple collections? Or are we missing >> something? Is there a way to send one MoreLikeThis Query Parser request >> to multiple SolrCloud collections? >> >> Thanks for any help, >> Till >> >> -- >> Till Kinstler >> Verbundzentrale des Gemeinsamen Bibliotheksverbundes (VZG) >> Platz der Göttinger Sieben 1, D 37073 Göttingen >> [email protected], http://www.gbv.de/ >> >> > > -- > Sincerely yours > Mikhail Khludnev > -- Sincerely yours Mikhail Khludnev
