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Assume you reboot a datanode in a running cluster Is there a way to auto restart all the Hadoop processes? Is there a way to do so in Ambari? Or is a script required here?

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@Alexander

By default rebooting a datanode does not start/stop/restart all hadoop processes also there is no facility from ambari to do so. You need to write custom script or api to do so..

@Alexander

Check out this question thread. See if that helps?

Explorer

@emaxwell

Great thread Eric. Cheers.

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