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From "Robert Muir (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-4752) Merge segments to sort them
Date Fri, 15 Mar 2013 15:08:14 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-4752?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13603440#comment-13603440
] 

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

And finally i think it would be way better to provide whatever 'hook' is needed for this kinda
stuff rather than allow subclassing of segmentmerger. like a proper pluggable api (e.g. codec
is an example of this) versus letting people just subclass concrete things.
                
> 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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