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https://issues.apache.org/jira/browse/SOLR-3436?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13274594#comment-13274594
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Martijn van Groningen commented on SOLR-3436:
---------------------------------------------
Committed patch to trunk. Only needs backporting to 3.6 branch.
> Groups count in distributed grouping is wrong in some case
> ----------------------------------------------------------
>
> Key: SOLR-3436
> URL: https://issues.apache.org/jira/browse/SOLR-3436
> Project: Solr
> Issue Type: Bug
> Components: SearchComponents - other
> Affects Versions: 3.4, 3.5, 3.6, 4.0
> Environment: MacOs X Lion, Java 1.6.0_31
> Reporter: Francois Perron
> Labels: distributed, grouping
> Fix For: 4.0, 3.6.1
>
> Attachments: SOLR-3436.patch, SOLR-3436.patch
>
>
> The count of groups in distributed grouping environment only show results
> from shards used in the second pass.
> How to reproduce :
> Ask for only 1 document (ROWS=1) in a 2 shards environnement with
> GROUPS.NGOURP=true and of course with GROUPS.FIELD=fieldA.
> Results :
> It will only display the total of a shard (the one used for the second pass)
> Expected results :
> Sum all groups count from ALL shards.
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