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Posted to commits@cassandra.apache.org by "T Jake Luciani (JIRA)" <ji...@apache.org> on 2014/07/07 16:10:34 UTC

[jira] [Updated] (CASSANDRA-6755) Optimise CellName/Composite comparisons for NativeCell

     [ https://issues.apache.org/jira/browse/CASSANDRA-6755?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

T Jake Luciani updated CASSANDRA-6755:
--------------------------------------

    Fix Version/s:     (was: 2.1.1)
                   2.1.0

> Optimise CellName/Composite comparisons for NativeCell
> ------------------------------------------------------
>
>                 Key: CASSANDRA-6755
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6755
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Benedict
>            Assignee: T Jake Luciani
>            Priority: Minor
>              Labels: performance
>             Fix For: 2.1.0
>
>         Attachments: 6755.txt, 6755v2.txt
>
>
> As discussed in CASSANDRA-6694, to reduce temporary garbage generation we should minimise the incidence of CellName component extraction. The biggest win will be to perform comparisons on Cell where possible, instead of CellName, so that Native*Cell can use its extra information to avoid creating any ByteBuffer objects



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