[jira] [Commented] (LUCENE-5081) WAH8DocIdSet

["ASF subversion and git services (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/LUCENE-5081?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13704946#comment-13704946 ] 

ASF subversion and git services commented on LUCENE-5081:
---------------------------------------------------------

Commit 1501925 from [~jpountz]
[ https://svn.apache.org/r1501925 ]

LUCENE-5081: WAH8DocIdSet.
                
> WAH8DocIdSet
> ------------
>
>                 Key: LUCENE-5081
>                 URL: https://issues.apache.org/jira/browse/LUCENE-5081
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Adrien Grand
>            Assignee: Adrien Grand
>            Priority: Minor
>         Attachments: LUCENE-5081.patch, LUCENE-5081.patch
>
>
> Our filters use bit sets a lot to store document IDs. However, it is likely that most of them are sparse hence easily compressible. Having efficient compressed sets would allow for caching more data.

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