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https://issues.apache.org/jira/browse/HADOOP-11574?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14330170#comment-14330170
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Steve Loughran commented on HADOOP-11574:
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Thinking some more, how about some simple sentences to scope this
h3. Ops:
h5. "I can diagnose problems in my cluster without needing to know java stack
traces & with an IDE to hand".
h3. Dev:
h5. If my application fails due to some problem on a remote machine, enough
information is returned to me that I know where to begin fixing it"
> Uber-JIRA: improve Hadoop network resilience & diagnostics
> ----------------------------------------------------------
>
> Key: HADOOP-11574
> URL: https://issues.apache.org/jira/browse/HADOOP-11574
> Project: Hadoop Common
> Issue Type: Task
> Components: net
> Affects Versions: 2.6.0
> Reporter: Steve Loughran
>
> Improve Hadoop's resilience to bad network conditions/problems, including
> * improving recognition of problem states
> * improving diagnostics
> * better handling of IPv6 addresses, even if the protocol is unsupported.
> * better behaviour client-side when there are connectivity problems. (i.e
> while some errors you can spin on, DNS failures are not on the list)
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