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

["Adrien Grand (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LUCENE-5081?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Adrien Grand updated LUCENE-5081:
---------------------------------

    Summary: WAH8DocIdSet  (was: Compress doc ID sets)
    
> 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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