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From "Robert Muir (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-4752) Merge segments to sort them
Date Thu, 14 Mar 2013 23:26:13 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-4752?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13602883#comment-13602883
] 

Robert Muir commented on LUCENE-4752:
-------------------------------------

SegmentWriteState's fieldinfos should be final. Some of these little things took a long time
to accomplish to give us a great deal of safety inside lucene internally.

Personally i dont think stuff like segmentmerger should be exposed publicly.
                
> 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
>
>
> 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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