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From SOLR4189 <>
Subject Different order of docs between SOLR-4.10.4 to SOLR-6.5.1
Date Fri, 04 Aug 2017 07:02:31 GMT
Hey all,
I need to upgrade from SOLR-4.10.3 to SOLR-6.5.1 in production environment. 
When I checked it in the test environment, I noticed the order of returned
docs for each query is different. The score has changed as well. I use same
similarity algorithm - OccapiBM25 as in previous version. Number of shards
and number of docs by shards also haven't changed.

Does it normal? 
What might be the causes for such behavior?


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