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