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From "Steve Loughran (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-8231) Make topologies easier to set up and debug
Date Fri, 30 Mar 2012 16:54:27 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-8231?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Steve Loughran updated HADOOP-8231:

    Attachment: HADOOP-8232.patch

This is the implementation class with some changes to make the output more readable. 

# It does not include any tests; the process for testing entry points is new to me.
# it does not patch the bin/hadoop script 
> Make topologies easier to set up and debug
> ------------------------------------------
>                 Key: HADOOP-8231
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8231
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: util
>    Affects Versions: 0.23.1
>            Reporter: Steve Loughran
>            Priority: Minor
>         Attachments: HADOOP-8232.patch
> Topology scripts are a source of problems as they 
> # are site-specific.
> # hard to get right.
> # can have adverse consequences on cluster operation when they go wrong.
> This issue is to group up the features needed to make it easier for ops people to get
their scripts up and running.

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