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https://issues.apache.org/jira/browse/SOLR-14765?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17517065#comment-17517065
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ASF subversion and git services commented on SOLR-14765:
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Commit 3621ef3be093ae70d25d9a04d68c17e1c24a4f19 in solr's branch
refs/heads/main from Michael Gibney
[ https://gitbox.apache.org/repos/asf?p=solr.git;h=3621ef3be09 ]
SOLR-14765: Optimize DocList creation by skipping sort for sort-irrelevant
cases (#592)
> optimize DocList creation by skipping sort for sort-irrelevant cases
> --------------------------------------------------------------------
>
> Key: SOLR-14765
> URL: https://issues.apache.org/jira/browse/SOLR-14765
> Project: Solr
> Issue Type: Improvement
> Affects Versions: 9.0
> Reporter: Michael Gibney
> Assignee: Michael Gibney
> Priority: Major
> Time Spent: 14h
> Remaining Estimate: 0h
>
> When {{rows=0}}, and for {{MatchAllDocsQuery}} and {{ConstantScoreQuery}}
> (and possibly others?), it is possible for
> {{SolrIndexSearcher.getDocListC(QueryResult, QueryCommand)}} to create a
> DocList directly from {{filterCache}} DocSets -- similar to
> {{useFilterForSortedQuery}}, but without actually sorting.
> This results in significant benefits for high-recall domains, including the
> common (and commonly-cached) use-case of {{q=\*:*}} and {{fq}}, facets, etc.
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