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https://issues.apache.org/jira/browse/LUCENE-8857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16866253#comment-16866253
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Simon Willnauer commented on LUCENE-8857:
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>From my perspective we should simplify this even more and remove
>_TieBreakingParameters_. TopDocs can use _Comparator<ScoreDoc>_ and default
>to the shard index if it's not supplied. That should be sufficient?
> Refactor TopDocs#Merge To Take In Custom Tie Breakers
> -----------------------------------------------------
>
> Key: LUCENE-8857
> URL: https://issues.apache.org/jira/browse/LUCENE-8857
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Atri Sharma
> Priority: Major
> Attachments: LUCENE-8857.patch, LUCENE-8857.patch
>
>
> In LUCENE-8829, the idea of having lambdas passed in to the API to allow
> finer control over the process was discussed.
> This JIRA tracks adding a parameter to the API which allows passing in
> lambdas to define custom tie breakers, thus allowing users to do custom
> algorithms when required.
> CC: [~jpountz] [~simonw]
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