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https://issues.apache.org/jira/browse/LUCENE-7098?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15191527#comment-15191527
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Robert Muir commented on LUCENE-7098:
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I like the idea, but some minor style changes:
* instead of maxPointCount, can we use 'total' or 'sum'. its not a max. i
realize it includes deletions, but we can just indicate that with a comment...
* can we not do the optimization for Integer.MAX_VALUE+1. I think thats being
too sneaky!
> BKDWriter should write ords as ints when possible during offline sort
> ---------------------------------------------------------------------
>
> Key: LUCENE-7098
> URL: https://issues.apache.org/jira/browse/LUCENE-7098
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Michael McCandless
> Assignee: Michael McCandless
> Attachments: LUCENE-7098.patch
>
>
> Today we write all ords as longs, since we support more than 2.1B values in
> one segment, but the vast majority of the time an int would suffice.
> We could look into vLong, but this quickly gets tricky because {{BKDWriter}}
> needs random access to the file and we rely on fixed-width entries to do this
> now.
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