[jira] [Updated] (LUCENE-5792) Improve our packed *AppendingLongBuffer

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

     [ https://issues.apache.org/jira/browse/LUCENE-5792?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Adrien Grand updated LUCENE-5792:
---------------------------------

    Attachment: LUCENE-5792.patch

Good point, here is an updated patch.

> Improve our packed *AppendingLongBuffer
> ---------------------------------------
>
>                 Key: LUCENE-5792
>                 URL: https://issues.apache.org/jira/browse/LUCENE-5792
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Adrien Grand
>            Assignee: Adrien Grand
>            Priority: Minor
>             Fix For: 5.0, 4.10
>
>         Attachments: LUCENE-5792.patch, LUCENE-5792.patch, LUCENE-5792.patch
>
>
> Since these classes are writeteable, they need a buffer in order to stage pending changes for efficiency reasons. The issue is that at read-time, the code then needs, for every call to {{get}} to check whether the requested value is in the buffer of pending values or has been packed into main storage, which is inefficient.
> I would like to fix these APIs to separate the writer from the reader, the latter being immutable.



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