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https://issues.apache.org/jira/browse/SOLR-15067?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17331523#comment-17331523
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ASF subversion and git services commented on SOLR-15067:
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Commit 1adedf5488398422e5812f5020ee0bc7f39a1c93 in solr's branch 
refs/heads/main from bszabo97
[ https://gitbox.apache.org/repos/asf?p=solr.git;h=1adedf5 ]

SOLR-15067: Child doc transformer should use the perSegFilter cache (#92)

Co-authored-by: bszabo2 <bsza...@cloudera.com>

> Child doc transformer should use the perSegFilter cache
> -------------------------------------------------------
>
>                 Key: SOLR-15067
>                 URL: https://issues.apache.org/jira/browse/SOLR-15067
>             Project: Solr
>          Issue Type: Improvement
>            Reporter: David Smiley
>            Priority: Major
>              Labels: newdev
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> The ChildDocTransformerFactory creates a QueryBitSetProducer every time.  
> These are heavy to compute; they should be cached.  
> BlockJoinParentQParserPlugin does this correctly, using the "perSegFilter" 
> named Solr cache. They should both do the same.  To avoid duplication of 
> logic, consider creating a new class named something like 
> PerSegFilterCacheManager, or maybe manage directly on SolrIndexSearcher 
> (alas; SIS is huge).



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