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From "Xuan Gong (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1303) Allow multiple commands separating with ";" in distributed-shell
Date Thu, 21 Nov 2013 01:09:35 GMT

    [ https://issues.apache.org/jira/browse/YARN-1303?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13828363#comment-13828363

Xuan Gong commented on YARN-1303:

bq.Use LocalResource.newInstance methods.


bq.Make the string "shellCommands" as a constant.


bq.Change the command line parameter to the AM as shell_command_path

Think that we do not need this option shell_command in AM anymore. We can simply check whether
the shellCommandPath exists or not.

bq.Change the example to use a command with';' as per JIRA description?


> Allow multiple commands separating with ";" in distributed-shell
> ----------------------------------------------------------------
>                 Key: YARN-1303
>                 URL: https://issues.apache.org/jira/browse/YARN-1303
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: applications/distributed-shell
>            Reporter: Tassapol Athiapinya
>            Assignee: Xuan Gong
>         Attachments: YARN-1303.1.patch, YARN-1303.2.patch, YARN-1303.3.patch, YARN-1303.3.patch,
YARN-1303.4.patch, YARN-1303.4.patch, YARN-1303.5.patch, YARN-1303.6.patch, YARN-1303.7.patch,
YARN-1303.8.1.patch, YARN-1303.8.2.patch, YARN-1303.8.patch
> In shell, we can do "ls; ls" to run 2 commands at once. 
> In distributed shell, this is not working. We should improve to allow this to occur.
There are practical use cases that I know of to run multiple commands or to set environment
variables before a command.

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