lucene-solr-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Toke Eskildsen <>
Subject Re: upgrading from solr4 to solr8 searches taking 4 to 10 times as long to return
Date Sun, 08 Sep 2019 17:42:25 GMT
G√ľnter Hipler <> wrote:
> what about this
> seems still unresolved issue?

Unfortunately Russell has de-shared the solrconfig.xml, but as far as I remember it does not
trigger faceting.

> With our migration from version 4 to 7 last year we experienced similar
> problems.

The iterator-based DocValues implementation in Solr 7 has a performance issue with large segments,
with symptoms akin to SOLR-8096. If you have not already solved your problems, Solr 8 (with
an upgraded index) might help.

- Toke Eskildsen

View raw message