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https://issues.apache.org/jira/browse/SOLR-13289?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17114205#comment-17114205
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ASF subversion and git services commented on SOLR-13289:
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Commit 60e5cff87f56d9c4aebc5aeab63e10bd24440087 in lucene-solr's branch
refs/heads/branch_8x from Tomas Eduardo Fernandez Lobbe
[ https://gitbox.apache.org/repos/asf?p=lucene-solr.git;h=60e5cff ]
SOLR-13289: Add Support for BlockMax WAND (#1456)
Add support for BlockMax WAND via a minExactHits parameter. Hits will be
counted accurately at least until this value, and above that, the count will be
an approximation. In distributed search requests, the count will be per shard,
so potentially the count will be accurately counted until numShards *
minExactHits. The response will include the value numFoundExact which can be
true (The value in numFound is exact) or false (the value in numFound is an
approximation).
> Support for BlockMax WAND
> -------------------------
>
> Key: SOLR-13289
> URL: https://issues.apache.org/jira/browse/SOLR-13289
> Project: Solr
> Issue Type: New Feature
> Reporter: Ishan Chattopadhyaya
> Assignee: Tomas Eduardo Fernandez Lobbe
> Priority: Major
> Attachments: SOLR-13289.patch, SOLR-13289.patch
>
> Time Spent: 5h 20m
> Remaining Estimate: 0h
>
> LUCENE-8135 introduced BlockMax WAND as a major speed improvement. Need to
> expose this via Solr. When enabled, the numFound returned will not be exact.
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