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