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https://issues.apache.org/jira/browse/HADOOP-3479?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12607664#action_12607664
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Rob Weltman commented on HADOOP-3479:
-------------------------------------
Hierarchical is much better than flat/generic for the configuration format. It
is possible and even likely that human beings will be editing the config files
manually for some time. Having all properties associated with a queue under
that queue instead of spread around the file with no hard boundaries will lead
to errors such as changing the wrong property, deleting some but not all
properties for a queue to be removed, deleting properties from a queue that was
not supposed to be touched, etc.
Strongly typed configuration allows for quick and efficient automatic
validation as well, so we can reduce the likelihood of typos in deployed
configuration.
> Implement configuration items useful for Hadoop resource manager (v1)
> ---------------------------------------------------------------------
>
> Key: HADOOP-3479
> URL: https://issues.apache.org/jira/browse/HADOOP-3479
> Project: Hadoop Core
> Issue Type: New Feature
> Reporter: Hemanth Yamijala
> Assignee: Hemanth Yamijala
> Attachments: 3479.1.patch, 3479.patch
>
>
> HADOOP-3421 lists requirements for a new resource manager for Hadoop.
> Implementation for these will require support for new configuration items in
> Hadoop. This JIRA is to define such configuration, and track it's
> implementation.
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