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https://issues.apache.org/jira/browse/SOLR-7614?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14570058#comment-14570058
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ASF subversion and git services commented on SOLR-7614:
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Commit 1683205 from [~yo...@apache.org] in branch 'dev/branches/lucene_solr_5_2'
[ https://svn.apache.org/r1683205 ]
SOLR-7614: make pivotRefinementCounter specific to each top level request
> Distributed Pivot Facet not thread safe
> ---------------------------------------
>
> Key: SOLR-7614
> URL: https://issues.apache.org/jira/browse/SOLR-7614
> Project: Solr
> Issue Type: Bug
> Reporter: Yonik Seeley
> Attachments: SOLR-7614.patch
>
>
> I just happened to notice the following added to FacetComponent:
> {code}
> /**
> * Incremented counter used to track the values being refined in a given
> request.
> * This counter is used in conjunction with {@link PivotFacet#REFINE_PARAM}
> to identify
> * which refinement values are associated with which pivots.
> */
> int pivotRefinementCounter = 0;
> {code}
> That counter is incremented for each refinement request for correlation, and
> then reset to 0 at the end. This will obviously break for concurrent
> distributed pivot facet requests.
> pivotRefinementCounter should be moved to per-request storage.
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