Create automated test scenarios for decommissioning of task trackers
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Key: MAPREDUCE-1890
URL: https://issues.apache.org/jira/browse/MAPREDUCE-1890
Project: Hadoop Map/Reduce
Issue Type: Test
Components: test
Reporter: Iyappan Srinivasan
Test scenarios :
1) Put a healthy slave task tracker in the dfs.exclude file.
2) As a valid user, decommission a node in the cluster by issuing the command
"hadoop mradmin -refreshNodes"
3) Make sure that the node is decommissioned.
4) Now take the task tracker out of the file.
5) As a valid user, again issue the command "hadoop mradmin -refreshNodes"
6) Make sure that the node is not in the decommiossion list.
7) Bring back that node.
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