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From "Matei Zaharia (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3876) Hadoop Core should support source filesfor multiple schedulers
Date Thu, 31 Jul 2008 23:04:31 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3876?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12618899#action_12618899
] 

Matei Zaharia commented on HADOOP-3876:
---------------------------------------

Just a note, if we do subpackages, we will need a semi-public scheduler API (HADOOP-3822),
because the default visibility in Java doesn't apply in subpackages. On the other hand, I
think subpackages is definitely the way to go to make this scalable and clean.

> Hadoop Core should support source filesfor multiple schedulers
> --------------------------------------------------------------
>
>                 Key: HADOOP-3876
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3876
>             Project: Hadoop Core
>          Issue Type: New Feature
>            Reporter: Vivek Ratan
>
> Besides the default JT scheduling algorithm, there is work going on with at least two
more schedulers (HADOOP-3445, HADOOP-3746). HADOOP-3412 makes it easier to plug in new schedulers
into the JT. Where do we place the source files for various schedulers so that it's easy for
users to choose their scheduler of choice during deployment, and easy for developers to add
in more schedulers into the framework (without inundating it). 

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