[jira] Assigned: (MAPREDUCE-1890) Create automated test scenarios for decommissioning of task trackers

["Iyappan Srinivasan (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MAPREDUCE-1890?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Iyappan Srinivasan reassigned MAPREDUCE-1890:
---------------------------------------------

    Assignee: Iyappan Srinivasan

> Create automated test scenarios for decommissioning of task trackers
> --------------------------------------------------------------------
>
>                 Key: MAPREDUCE-1890
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1890
>             Project: Hadoop Map/Reduce
>          Issue Type: Test
>          Components: test
>            Reporter: Iyappan Srinivasan
>            Assignee: Iyappan Srinivasan
>         Attachments: 1890-ydist-security-patch.txt, 1890-ydist-security-patch.txt, TestDecomissioning.patch
>
>
> 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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