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https://issues.apache.org/jira/browse/LUCENE-8794?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Atri Sharma resolved LUCENE-8794.
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Resolution: Fixed
Merged to master
> Cost Based Slice Allocation Algorithm
> -------------------------------------
>
> Key: LUCENE-8794
> URL: https://issues.apache.org/jira/browse/LUCENE-8794
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Atri Sharma
> Priority: Major
>
> In https://issues.apache.org/jira/browse/LUCENE-8757, the idea of a cost
> based and dynamically adjusting slice allocation algorithm was conceived. We
> should ideally have a hard cap on the number of threads that can be consumed
> by a single query, and have static cost factors associated with segments and
> assign them to threads in a fair manner. We will also need to ensure that we
> end up not assigning individual threads to small segments, or making more
> thread s that needed (thread context switching could outweight benefits).
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