Thanks Erick. We could not recollect what could have happened in between..
Yes. We are seeing the same document in 2 shards. "Uniquefiled" is set as uuid in schema and declared as String. Will go with reindexing. schema.xml : <field name="uuid_s" type="string" indexed="true" stored="true" multiValued="false"/> Query: http://localhost:1004/solr/collection1/select?q=id:%22mongo.com-e25a2-11e3-8a73-0026b9414f30%22&wt=xml&shards.info=true Response: <lst name="shards.info"> <lst name="10.5.16.70:80/solr/collection1/|10.17.194.61:80/solr/collection1/"> *<long name="numFound">1</long>* <float name="maxScore">17.853292</float> <long name="time">3</long> </lst> <lst name="10.79.19.21:80/solr/collection1/|10.15.98.101:80/solr/collection1/"> *<long name="numFound">1</long>* <float name="maxScore">17.850622</float> <long name="time">2</long> </lst> <lst name="10.23.199.114:80/solr/collection1/|10.18.146.147:80/solr/collection1/"> <long name="numFound">0</long> <float name="maxScore">0.0</float> <long name="time">3</long> </lst> <lst name="10.16.69.89:80/solr/collection1/|10.67.13.91:80/solr/collection1/"> <long name="numFound">0</long> <float name="maxScore">0.0</float> <long name="time">4</long> </lst> <lst name="10.27.197.159:80/solr/collection1/|10.10.187.216:80/solr/collection1/"> <long name="numFound">0</long> <float name="maxScore">0.0</float> <long name="time">19</long> </lst> </lst> -- View this message in context: http://lucene.472066.n3.nabble.com/Solr-Cloud-Duplicate-documents-in-multiple-shards-tp4218162p4219458.html Sent from the Solr - User mailing list archive at Nabble.com.