Ability to blacklist tasktracker
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Key: HADOOP-5643
URL: https://issues.apache.org/jira/browse/HADOOP-5643
Project: Hadoop Core
Issue Type: New Feature
Affects Versions: 0.20.0
Reporter: Rajiv Chittajallu
Its not always possible to shutdown the tasktracker to stop scheduling tasks on
the node. (eg you can't login to the node but the TT is up).
This can be via
* mapred.exclude and should be refreshed with out restarting the tasktracker
* hadoop job -fail-tracker <tracker id>
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