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https://issues.apache.org/jira/browse/SOLR-7759?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16371167#comment-16371167
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Alessandro Benedetti commented on SOLR-7759:
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Hi Markus,
unfortunately I didn't keep the promise...
It's on my to do list though...
The initial patch I submitted is 1 year old ( 2017 and not 2018).
I think it was for Apache Solr 6.4.0 !
> 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
> Priority: Major
> Attachments: SOLR_7759.patch
>
>
> 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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