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https://issues.apache.org/jira/browse/LUCENE-4752?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13610344#comment-13610344
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Commit Tag Bot commented on LUCENE-4752:
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[branch_4x commit] Adrien Grand
http://svn.apache.org/viewvc?view=revision&revision=1459808
LUCENE-4752: Added SortingMergePolicy that sorts documents when merging (merged
from r1459794).
> Merge segments to sort them
> ---------------------------
>
> Key: LUCENE-4752
> URL: https://issues.apache.org/jira/browse/LUCENE-4752
> Project: Lucene - Core
> Issue Type: New Feature
> Components: core/index
> Reporter: David Smiley
> Assignee: Adrien Grand
> Attachments: LUCENE-4752.patch, LUCENE-4752.patch, LUCENE-4752.patch,
> LUCENE-4752.patch, LUCENE-4752.patch, LUCENE-4752.patch, LUCENE-4752.patch,
> natural_10M_ingestion.log, sorting_10M_ingestion.log
>
>
> It would be awesome if Lucene could write the documents out in a segment
> based on a configurable order. This of course applies to merging segments
> to. The benefit is increased locality on disk of documents that are likely to
> be accessed together. This often applies to documents near each other in
> time, but also spatially.
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