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From "Matthieu Morel (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (S4-25) Write S4 Application Master to deploy S4 in Yarn
Date Thu, 22 Nov 2012 17:05:00 GMT

    [ https://issues.apache.org/jira/browse/S4-25?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13502853#comment-13502853
] 

Matthieu Morel commented on S4-25:
----------------------------------

Thanks for the feedback Daniel.

I pushed some related updates in commit ba7b94b .

The -Xmx parameter, which is used for setting the "maximum" memory of the process, can now
only be specified through a specific parameter (-s4NodeMemory).

I also asked on yarn-dev whether there is a recommended way to properly kill applications.
(see http://mail-archives.apache.org/mod_mbox/hadoop-yarn-dev/201211.mbox/%3CE446FDC3-C0A3-4DA8-8281-A8CD15CC8D52%40yahoo-inc.com%3E
)
                
> Write S4 Application Master to deploy S4 in Yarn
> ------------------------------------------------
>
>                 Key: S4-25
>                 URL: https://issues.apache.org/jira/browse/S4-25
>             Project: Apache S4
>          Issue Type: New Feature
>            Reporter: J Mohamed Zahoor
>             Fix For: 0.6
>
>         Attachments: S4-ApplicationMaster.diff, S4-Client.diff, S4-Constants.diff, S4-YARN-1.patch
>
>
> On the lines of s4PigWrapper, write a s4 application master to host s4 piper inside Hadoop
Yarn. This could be useful not only for reading data stored in hadoop ( to build or train
a model)... But we could make use of the resource manager to deploy s4 instances in remote
machine and monitor them. In short, we could make use of most of the resource management ,
scheduling and other good stuff in Yarn.
> - Yarn is useful to deploy and launch s4 instances.
> - It still requires deploying node managers on each box which means it will
> be useful if one is running more than one s4 process on a node.

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