Yonik Seeley created SOLR-7614:
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Summary: 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
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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