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Posted to dev@lucene.apache.org by "Robert Muir (JIRA)" <ji...@apache.org> on 2014/06/21 13:09:24 UTC
[jira] [Commented] (LUCENE-5782) Improve OrdinalMap compression by
sorting the supplied terms enums
[ https://issues.apache.org/jira/browse/LUCENE-5782?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14039767#comment-14039767 ]
Robert Muir commented on LUCENE-5782:
-------------------------------------
Can we remove the subclass+delegation of Remapped? thats just really awkward...
> Improve OrdinalMap compression by sorting the supplied terms enums
> ------------------------------------------------------------------
>
> Key: LUCENE-5782
> URL: https://issues.apache.org/jira/browse/LUCENE-5782
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Adrien Grand
> Assignee: Adrien Grand
> Priority: Minor
> Fix For: 5.0, 4.10
>
> Attachments: LUCENE-5782.patch
>
>
> As mentionned in LUCENE-5780, OrdinalMaps might have much better compression when the terms enums are supplied sorted by descending cardinality. When it is not the case, we could sort the enums and re-map segment indices on top of it.
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