Implement a config validator tool for the capacity scheduler
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Key: HADOOP-4809
URL: https://issues.apache.org/jira/browse/HADOOP-4809
Project: Hadoop Core
Issue Type: Improvement
Components: contrib/capacity-sched
Reporter: Hemanth Yamijala
Assignee: Sreekanth Ramakrishnan
The capacity scheduler sanity checks configuration when it starts and halts if
there are any problems found. For ease of deployment, it would help to have a
simple utility that will validate the configuration before the capacity
scheduler can be started, and report errors / warnings to the user about
(possible) misconfigurations.
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