[MAPREDUCE-1890] Create automated test scenarios for decommissioning of task trackers

• Type: Test
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: test
• Assignee: Iyappan Srinivasan
• Reporter: Iyappan Srinivasan
• Created: 23/Jun/10 09:30
• Updated: 02/May/13 02:29

Description

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.

Issue Links

• depends upon: HADOOP-6836 [Herriot]: Generic method for adding/modifying the attributes for new configuration.
• depends upon: HADOOP-6772 Utilities for system tests specific.
• is blocked by: HADOOP-6879 Provide SSH based (Jsch) remote execution API for system tests