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https://issues.apache.org/jira/browse/MAPREDUCE-1854?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12879050#action_12879050
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Konstantin Boudnik commented on MAPREDUCE-1854:
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Yeah, I think you right about the 'sleep-echo' thing.
And I still suggest to take a look at JSch or a similar library for pure Java
SSH wrapper.
> [herriot] Automate health script system test
> --------------------------------------------
>
> Key: MAPREDUCE-1854
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1854
> Project: Hadoop Map/Reduce
> Issue Type: New Feature
> Components: test
> Environment: Herriot framework
> Reporter: Balaji Rajagopalan
> Assignee: Balaji Rajagopalan
> Attachments: health_script_5.txt
>
> Original Estimate: 120h
> Remaining Estimate: 120h
>
> 1. There are three scenarios, first is induce a error from health script,
> verify that task tracker is blacklisted.
> 2. Make the health script timeout and verify the task tracker is blacklisted.
> 3. Make an error in the health script path and make sure the task tracker
> stays healthy.
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