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https://issues.apache.org/jira/browse/LUCENE-7122?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15204090#comment-15204090
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Robert Muir commented on LUCENE-7122:
-------------------------------------
Can we have a concerted effort to *really* keep it package private?
I know how people love to just slap the public keyword on these kinds of
classes without any thought or hesitation its what creates this kind of mess
IMO. And its so much work to cleanup that nobody does it.
> BytesRefArray can be more efficient for fixed width values
> ----------------------------------------------------------
>
> Key: LUCENE-7122
> URL: https://issues.apache.org/jira/browse/LUCENE-7122
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Michael McCandless
> Assignee: Michael McCandless
> Fix For: master, 6.1
>
> Attachments: LUCENE-7122.patch, LUCENE-7122.patch
>
>
> Today {{BytesRefArray}} uses one int ({{int[]}}, overallocated) per
> value to hold the length, but for dimensional points these values are
> always the same length.
> This can save another 4 bytes of heap per indexed dimensional point,
> which is a big improvement (more points can fit in heap at once) for
> 1D and 2D lat/lon points.
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