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https://issues.apache.org/jira/browse/SOLR-11391?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16177858#comment-16177858
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Yonik Seeley commented on SOLR-11391:
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Yeah, the threshold should be some function of field cardinality in conjunction
with domain size.
We also need to use the term enum (join) method when the from field doesn't
have docvalues.
> JoinQParser for non point fields should use the GraphTermsCollector
> --------------------------------------------------------------------
>
> Key: SOLR-11391
> URL: https://issues.apache.org/jira/browse/SOLR-11391
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Varun Thacker
> Attachments: SOLR-11391.patch
>
>
> The Join Query Parser uses the GraphPointsCollector for point fields.
> For non point fields if we use the GraphTermsCollector instead of the current
> algorithm I am seeing quite a bit of performance gains.
> I'm going to attach a quick patch which I cooked up , making sure TestJoin
> and TestCloudJSONFacetJoinDomain passed.
> More tests, benchmarking and code cleanup to follow
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