Laurent EDEL created AMBARI-9080:
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Summary: capacity scheduler UI
Key: AMBARI-9080
URL: https://issues.apache.org/jira/browse/AMBARI-9080
Project: Ambari
Issue Type: Wish
Components: ambari-web
Reporter: Laurent EDEL
Capacity scheduler is widely used in Hadoop clusters.
Its configuration is as much easy to understand as complicated to define,
consisting as filling a XML with some "ahem" notions :
- "all" rights are represented by "*" (normal) but "no" rights are represented
by " "
- ACLs works only by extending them, not reducing : if root queue is set to all
(default), no ACL will be considered at all
A UI should be provided to abstract those concepts, as well as define more
easily the queues weights, using sliders
Additionally, if you forget to check yarn.acl.enabled in the resourcemanager
there should be a warning about scheduler ACL rules
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