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From "Patrick Liu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-2257) Add user to queue mapping in Fair-Scheduler
Date Mon, 07 Jul 2014 08:05:34 GMT
Patrick Liu created YARN-2257:
---------------------------------

             Summary: Add user to queue mapping in Fair-Scheduler
                 Key: YARN-2257
                 URL: https://issues.apache.org/jira/browse/YARN-2257
             Project: Hadoop YARN
          Issue Type: Improvement
          Components: scheduler
            Reporter: Patrick Liu


Currently, the fair-scheduler supports two modes, default queue or individual queue for each
user.
Apparently, the default queue is not a good option, because the resources cannot be managed
for each user or group.
However, individual queue for each user is not good enough. Especially when connecting yarn
with hive. There will be increasing hive users in a corporate environment. If we create a
queue for a user, the resource management will be hard to maintain.

I think the problem can be solved like this:
1. Define user->queue mapping in Fair-Scheduler.xml. Inside each queue, use aclSubmitApps
to control user's ability.
2. Each time a user submit an app to yarn, if the user has mapped to a queue, the app will
be scheduled to that queue; otherwise, the app will be submitted to default queue.
3. If the user cannot pass aclSubmitApps limits, the app will not be accepted.





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