[jira] Updated: (HADOOP-4868) Split the hadoop script into 3 parts

["Sharad Agarwal (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-4868?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sharad Agarwal updated HADOOP-4868:
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    Attachment: 4868_v4.patch

ok, I have kept the scripts in bin/ itself. This keeps things simple and full backward compatibility is maintained. The scripts have been refactored in such a fashion that when the split happens, the scripts can go in their respective sub projects; and very few environment variable flips are required (only in the *-config.sh files). 
Tested by emulating the case where the bin/* scripts are run as if the project split has happened.
Also tested in local and distributed mode.

bq. Should we name this "core-config.sh" to be consistent?
I have kept the config name as same "hadoop-config.sh". I think we can retain the same name as the core script is also named "hadoop" 




> Split the hadoop script into 3 parts
> ------------------------------------
>
>                 Key: HADOOP-4868
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4868
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: scripts
>            Reporter: Sharad Agarwal
>            Assignee: Sharad Agarwal
>         Attachments: 4868_v1.patch, 4868_v2.patch, 4868_v3.patch, 4868_v4.patch
>
>
> We need to split the bin/hadoop into 3 parts for core, mapred and hdfs. This will enable us to distribute the individual scripts with each component.

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