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From "Sunil G (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-7757) Refactor NodeLabelsProvider to be more generic and reusable for node attributes providers
Date Wed, 31 Jan 2018 12:02:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-7757?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16346683#comment-16346683

Sunil G commented on YARN-7757:

[~cheersyang] Thanks for the updated patch

One quick doubt related to NodeScriptRunner. 
53	this.exec = new Shell.ShellCommandExecutor(
54	execScript.toArray(new String[execScript.size()]), null, null,
55	scriptTimeout);{code}
Does this  need to be run under some privileged mode or something similar ? As per current
impl, this script will be run as NodeManager user. I am not sure whether any use case is there
to run as privileged user to get some i/p (such as some system info)

Could we give a bit more detailed comment in the script config section (such as yarn-default
etc) to indicate the format of script o/p. This is for the easiness of in config.

> Refactor NodeLabelsProvider to be more generic and reusable for node attributes providers
> -----------------------------------------------------------------------------------------
>                 Key: YARN-7757
>                 URL: https://issues.apache.org/jira/browse/YARN-7757
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager
>            Reporter: Weiwei Yang
>            Assignee: Weiwei Yang
>            Priority: Blocker
>         Attachments: YARN-7757-YARN-3409.001.patch, YARN-7757-YARN-3409.002.patch, YARN-7757-YARN-3409.003.patch,
YARN-7757-YARN-3409.004.patch, YARN-7757-YARN-3409.005.patch, nodeLabelsProvider_refactor_class_hierarchy.pdf
> Propose to do refactor on {{NodeLabelsProvider}}, {{AbstractNodeLabelsProvider}} to be
more generic, so node attributes providers can reuse these interface/abstract classes.

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