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https://issues.apache.org/jira/browse/LUCENE-7396?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15398954#comment-15398954
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Adrien Grand commented on LUCENE-7396:
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[~mikemccand] I'm curious what this separate speedup is about?
> Speed up flush of points
> ------------------------
>
> Key: LUCENE-7396
> URL: https://issues.apache.org/jira/browse/LUCENE-7396
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Adrien Grand
> Priority: Minor
> Fix For: master (7.0), 6.2
>
> Attachments: LUCENE-7396.patch, LUCENE-7396.patch, LUCENE-7396.patch,
> LUCENE-7396.patch
>
>
> 1D points already have an optimized merge implementation which works when
> points come in order. So maybe we could make IndexWriter's PointValuesWriter
> sort before feeding the PointsFormat and somehow propagate the information to
> the PointsFormat?
> The benefit is that flushing could directly stream points to disk with little
> memory usage.
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