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https://issues.apache.org/jira/browse/SOLR-11391?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16181508#comment-16181508
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Varun Thacker commented on SOLR-11391:
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bq. Explore cardinality based decision making as well
To choose a graph collector we know that the "from" field must have doc-values.
So we could use the doc-values API to get the cardinality. I'll do a small
benchmark to see how much overhead does it add.
> 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, 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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