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Posted to hdfs-dev@hadoop.apache.org by "Allen Wittenauer (JIRA)" <ji...@apache.org> on 2014/07/23 23:46:41 UTC

[jira] [Resolved] (HDFS-559) Work out the memory consumption of NN artifacts on a compressed pointer JVM

     [ https://issues.apache.org/jira/browse/HDFS-559?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Allen Wittenauer resolved HDFS-559.
-----------------------------------

    Resolution: Won't Fix

I'm going to close this as Won't Fix, simply because compressed oops is now the default in Java....

> Work out the memory consumption of NN artifacts on a compressed pointer JVM
> ---------------------------------------------------------------------------
>
>                 Key: HDFS-559
>                 URL: https://issues.apache.org/jira/browse/HDFS-559
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: namenode
>    Affects Versions: 0.21.0
>         Environment: 64-bit and 32 bit JVMs, Java6u14 and jdk7 betas, with -XX compressed oops enabled/disabled
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>            Priority: Minor
>
> Following up HADOOP-1687, it would be nice to know the size of datatypes in under the java16u14 JVM, which offers compressed pointers.



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