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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-6766) Make index sorting a first-class citizen
Date Sat, 11 Jun 2016 15:50:21 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-6766?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15325921#comment-15325921
] 

ASF subversion and git services commented on LUCENE-6766:
---------------------------------------------------------

Commit 4740056f0987aef4eb727332d7ce9770964543c2 in lucene-solr's branch refs/heads/branch_6x
from Mike McCandless
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=4740056 ]

LUCENE-6766: fix parallel reader's detection of conflicting index sort


> Make index sorting a first-class citizen
> ----------------------------------------
>
>                 Key: LUCENE-6766
>                 URL: https://issues.apache.org/jira/browse/LUCENE-6766
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Adrien Grand
>            Priority: Minor
>         Attachments: LUCENE-6766.patch, LUCENE-6766.patch, LUCENE-6766.patch
>
>
> Today index sorting is a very expert feature. You need to use a custom merge policy,
custom collectors, etc. I would like to explore making it a first-class citizen so that:
>  - the sort order could be configured on IndexWriterConfig
>  - segments would record the sort order that was used to write them
>  - IndexSearcher could automatically early terminate when computing top docs on a sort
order that is a prefix of the sort order of a segment (and if the user is not interested in
totalHits).



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