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https://issues.apache.org/jira/browse/AMBARI-575?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13404106#comment-13404106
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Hitesh Shah commented on AMBARI-575:
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Part of this was addressed in AMBARI-580. However, a full code cleanup is still
needed to support:
1) a full 64-only cluster ( should not need jdk32 anymore)
2) a full 32-bit only
3) a mixed approach if performance tests show that 32-bit DN/TTs are a must in
critical production environments with the latest version of jdk-1.6.0u31
> Datanode/tasktracker process should be able to be run in 64-bit mode.
> ----------------------------------------------------------------------
>
> Key: AMBARI-575
> URL: https://issues.apache.org/jira/browse/AMBARI-575
> Project: Ambari
> Issue Type: Bug
> Reporter: Hitesh Shah
>
> As mentioned in AMBARI-546, it may not be necessary to run the processes in
> 32-bit mode given the fixes in jdk ( post 1.6.0u23 ). Given that AMBARI
> already requires u26, it might be good to introduce a tunable option to run
> the processes in 64-bit mode.
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