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https://issues.apache.org/jira/browse/LUCENE-8687?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ignacio Vera resolved LUCENE-8687.
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Resolution: Fixed
Assignee: Ignacio Vera
Fix Version/s: 8.x
master (9.0)
> Optimise radix partitioning for points on heap
> ----------------------------------------------
>
> Key: LUCENE-8687
> URL: https://issues.apache.org/jira/browse/LUCENE-8687
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Ignacio Vera
> Assignee: Ignacio Vera
> Priority: Major
> Fix For: master (9.0), 8.x
>
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
> In LUCENE-8673 it was introduced radix partitioning for merging segments. It
> currently works the same when you have data offline and on-heap. It makes
> sense when data is on-heap, not to have multiple copies but perform the
> partitioning always in the same object, similar to what it is done with
> `MutablePointValues`.
> This will allow to hold more points in memory as well because we don't have
> multiple copies of the same data as we recurse.
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