Deleted documents remain in the Lucene index until an "optimize" or segment
merge operation removes them. As a result they are still counted in document
frequency. An update is a combination of a delete and an add of a fresh
document.
-- Jack Krupansky
-Original Message-
From: Johann
I faced the same issue sometime back, root cause is docs getting deleted
and created again without getting optimized. Here is the discussion
http://www.signaldump.org/solr/qpod/22731/docfreq-coming-to-be-more-than-1-for-unique-id-field
On Tue, Jul 22, 2014 at 4:56 PM, Johannes Siegert <
johannes.
