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https://issues.apache.org/jira/browse/HADOOP-8938?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Allen Wittenauer resolved HADOOP-8938.
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Resolution: Not a Problem
Lots of shell changes, and in particular HADOOP-11013, have been implemented to
help here. HADOOP-7947 is also in progress at present, which will help on the
XML bits.
> add option to do better diags of startup configuration
> ------------------------------------------------------
>
> Key: HADOOP-8938
> URL: https://issues.apache.org/jira/browse/HADOOP-8938
> Project: Hadoop Common
> Issue Type: New Feature
> Components: bin
> Affects Versions: 1.1.0, 2.0.2-alpha
> Reporter: Steve Loughran
> Priority: Minor
> Attachments: hdiag.py
>
>
> HADOOP-8931 shows a symptom of a larger problem: we need better diagnostics
> of what all the environment variables and settings going through the hadoop
> scripts to find out why something isn't working.
> Ideally some command line parameter to the scripts (or even: a new
> environment variable) could trigger more display of critical parameters.
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