yuanyun.cn created SOLR-4736:
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             Summary: Support group.mincount for Result Grouping
                 Key: SOLR-4736
                 URL: https://issues.apache.org/jira/browse/SOLR-4736
             Project: Solr
          Issue Type: Bug
          Components: search
    Affects Versions: 4.2
            Reporter: yuanyun.cn
            Priority: Minor
             Fix For: 4.3, 5.0


Result Grouping is a very useful feature: we can use it to find duplicate data 
in index, but it lacks of one feature-group.mincount. 

With group.mincount, we can specify that only groups that has equal or more 
than ${mincount} for the group field will be returned.

Specially, we can use group.mincount=2 to only return duplicate data.
Could we add this in future release? Thanks. 


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