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Posted to dev@lucene.apache.org by "Adrien Grand (JIRA)" <ji...@apache.org> on 2013/02/16 00:39:12 UTC

[jira] [Updated] (LUCENE-4780) MonotonicAppendingLongBuffer

     [ https://issues.apache.org/jira/browse/LUCENE-4780?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Adrien Grand updated LUCENE-4780:
---------------------------------

    Attachment: LUCENE-4780.patch

Patch. I tried to replace AppendingLongBuffer with MonotonicAppendingLongBuffer wherever it makes sense.
                
> MonotonicAppendingLongBuffer
> ----------------------------
>
>                 Key: LUCENE-4780
>                 URL: https://issues.apache.org/jira/browse/LUCENE-4780
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Adrien Grand
>            Assignee: Adrien Grand
>            Priority: Minor
>             Fix For: 4.2
>
>         Attachments: LUCENE-4780.patch
>
>
> IndexWriter uses AppendingLongBuffer in several places, and in a few of them the mapping is monotonically increasing so we could save additional space by only encoding the delta from a linear projection.

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