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https://issues.apache.org/jira/browse/HADOOP-13225?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Allen Wittenauer updated HADOOP-13225:
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Assignee: Dave Marion
> Allow java to be started with numactl
> -------------------------------------
>
> Key: HADOOP-13225
> URL: https://issues.apache.org/jira/browse/HADOOP-13225
> Project: Hadoop Common
> Issue Type: New Feature
> Components: scripts
> Reporter: Dave Marion
> Assignee: Dave Marion
> Attachments: HDFS-10370-1.patch, HDFS-10370-2.patch,
> HDFS-10370-3.patch, HDFS-10370-branch-2.004.patch, HDFS-10370.004.patch
>
>
> Allow numactl constraints to be applied to the datanode process. The
> implementation I have in mind involves two environment variables (enable and
> parameters) in the datanode startup process. Basically, if enabled and
> numactl exists on the system, then start the java process using it. Provide a
> default set of parameters, and allow the user to override the default. Wiring
> this up for the non-jsvc use case seems straightforward. Not sure how this
> can be supported using jsvc.
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