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https://issues.apache.org/jira/browse/HDFS-2913?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13208207#comment-13208207
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Aaron T. Myers commented on HDFS-2913:
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Hey Bikas, do you still intend to work on this? Seems like HDFS-2912 may have
superseded this work.
> HA: Need a way to shutdown the Name Node
> ----------------------------------------
>
> Key: HDFS-2913
> URL: https://issues.apache.org/jira/browse/HDFS-2913
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: ha, name-node
> Affects Versions: HA branch (HDFS-1623)
> Reporter: Bikas Saha
> Assignee: Bikas Saha
>
> Ideally, NameNode.stop() needs to be called because it will change the HA
> state and shutdown all services. NameNode reference is not available
> anywhere. Hence it is not possible to shutdown the name node gracefully.
> A possible solution could be to have a Service interface that gets passed
> down to components like FSNameSystem, via which they can inform the NameNode
> about irrecoverable errors. NameNode could then decide to shutdown.
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