Decommissioning TaskTrackers
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Key: HADOOP-4733
URL: https://issues.apache.org/jira/browse/HADOOP-4733
Project: Hadoop Core
Issue Type: New Feature
Components: mapred
Reporter: Koji Noguchi
>From [EMAIL PROTECTED]
>>> Steve Loughran said:
> At some point in the future, I could imagine it being handy to have the
> ability to decomission a task tracker,
> which would tell it to stop accepting new work, and run the rest down. This
> would be good when tasks take time
> to run but you still want to be agile in your cluster management.
I believe our clusters would also have this need once we move out of hod.
Currently, we flag the node 'offline' by torque and wait for the running
jobs/tasks to finish.
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