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.sieg...@marktjagd.de> wrote: > Hi. > > My solr-index (version=4.7.2.) has an id-field: > > <field name="id" type="string" indexed="true" stored="true"/> > ... > <uniqueKey>id</uniqueKey> > > The index will be updated once per hour. > > I use the following query to retrieve some documents: > > "q=id:2^2 id:1^1" > > I would expect that the document(2) should be always before the > document(1). But after many index updates document(1) is before document(2). > > With debug=true I could see the problem. The document(1) has a docFreq=2, > while the document(2) has a docFreq=1. > > How could the docFreq of the uniqueKey-field be hight than 1? Could anyone > explain this behavior to me? > > Thanks! > > Johannes > > -- Thanks & Regards, Apoorva
