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https://issues.apache.org/jira/browse/MAPREDUCE-1854?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12879310#action_12879310
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Balaji Rajagopalan commented on MAPREDUCE-1854:
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Regarding Jsch I read about it after you point that out, I totally agree with
you that this seems to be better solution than running a shell command from the
java code using the Shell.java helper class. Cos my thoughts on this can we
make this is a seperate JIRA and replace all the places where we use ssh and
execute remote command replace it with Jsch, rather than doing it for
particular instance alone, since if I do this for health script alone there
will be certain funcationality using Shell command execution, and others using
Jsch. If you agree I will raise a seperate JIRA.
> [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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