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From "Alejandro Abdelnur (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1702) Expose kill app functionality as part of RM web services
Date Fri, 21 Feb 2014 16:28:20 GMT

    [ https://issues.apache.org/jira/browse/YARN-1702?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13908479#comment-13908479

Alejandro Abdelnur commented on YARN-1702:

It seems my comment on the umbrella JIRA has gone unnoticed, posting here as well.

Before we start coding work on this, it would be great to see how security will handled (authentication,
ACLs, tokens, etc).
I'm a bit a concern about introducing a second protocol everywhere. From a maintenance and
security risk point of view is doubling our development/support efforts. Granted, HDFS offers
data over RPC and HTTP. But, HTTP, when using HttpFS (how I recommend using it HTTP access)
is a gateway that ends up doing RPC to HDFS. Thus the only protocol accessing HDFS is RPC.

Have we considered having a C implementation of Hadoop RPC, with the multiplatform support
of protobuffers that may give us the multi-platform support we are aiming to with a single
protocol interface.


> Expose kill app functionality as part of RM web services
> --------------------------------------------------------
>                 Key: YARN-1702
>                 URL: https://issues.apache.org/jira/browse/YARN-1702
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Varun Vasudev
>            Assignee: Varun Vasudev
>         Attachments: apache-yarn-1702.2.patch, apache-yarn-1702.3.patch
> Expose functionality to kill an app via the ResourceManager web services API.

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