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From Michael Dürig (JIRA) <j...@apache.org>
Subject [jira] [Commented] (OAK-5050) Optimise ImmutableRecordNumbers
Date Mon, 07 Nov 2016 10:37:58 GMT

    [ https://issues.apache.org/jira/browse/OAK-5050?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15643800#comment-15643800
] 

Michael Dürig commented on OAK-5050:
------------------------------------

Proposed patch: https://github.com/apache/jackrabbit-oak/commit/67ae9ec18c063a8988b84f3b72263c7eb0b41302

[~frm], could you have a look?

> Optimise ImmutableRecordNumbers
> -------------------------------
>
>                 Key: OAK-5050
>                 URL: https://issues.apache.org/jira/browse/OAK-5050
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: segment-tar
>            Reporter: Michael Dürig
>            Assignee: Michael Dürig
>              Labels: perfomance
>             Fix For: 1.5.13
>
>
> {{ImmutableRecordNumbers}} is based on a map. This turns to be expensive as the items
in the map are accessed very frequently. I would like to look into way of optimising this
using a linear storage model instead. 



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