[jira] [Created] (SOLR-7759) DebugComponent's explain should be implemented as a distributed query

["Varun Thacker (JIRA)" <ji...@apache.org>]

Varun Thacker created SOLR-7759:
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             Summary: DebugComponent's explain should be implemented as a distributed query
                 Key: SOLR-7759
                 URL: https://issues.apache.org/jira/browse/SOLR-7759
             Project: Solr
          Issue Type: Bug
            Reporter: Varun Thacker


Currently when we use debugQuery to see the explanation of the matched documents, the query fired to get the statistics for the matched documents is not a distributed query.

This is a problem when using distributed idf. The actual documents are being scored using the global stats and not per shard stats , but the explain will show us the score by taking into account the stats from the shard where the document belongs to.

We should try to implement the explain query as a distributed request so that the scores match the actual document scores.



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