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Date: Wed, 9 Mar 2011 05:59:59 +0000 (UTC)
From: "Bill Bell (JIRA)" <jira@apache.org>
To: dev@lucene.apache.org
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Subject: [jira] Commented: (SOLR-2337) Solr needs hits= added to the log
 when using grouping
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    [ https://issues.apache.org/jira/browse/SOLR-2337?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13004379#comment-13004379 ] 

Bill Bell commented on SOLR-2337:
---------------------------------

I found a quick fix that will output # of hits. See attached patch,


> Solr needs hits= added to the log when using grouping 
> ------------------------------------------------------
>
>                 Key: SOLR-2337
>                 URL: https://issues.apache.org/jira/browse/SOLR-2337
>             Project: Solr
>          Issue Type: Bug
>          Components: SearchComponents - other
>    Affects Versions: 4.0
>            Reporter: Bill Bell
>         Attachments: SOLR.2377.patch
>
>
> We monitor the Solr logs to try to review queries that have hits=0. This enables us to improve relevancy since they are easy to find and review.
> When using group=true, hits= does not show up:
> {code}
> 2011-01-27 01:10:16,117 INFO  core.SolrCore  - [collection1] webapp= path=/select params={group=true&group.field=gender&group.field=id&q=*:*} status=0 QTime=15
> {code}
> The code in QueryComponent.java needs to add the matches() after calling grouping.execute() and add up the total.
> It does return hits= in the log for mainResult, but not for standard grouping.
> This should be easy to add since matches are defined...

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