[jira] Commented: (HADOOP-3876) Hadoop Core should support source filesfor multiple schedulers

["Matei Zaharia (JIRA)" <ji...@apache.org>]

    [ 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:
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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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