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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1707) Making the CapacityScheduler more dynamic
Date Sat, 04 Oct 2014 15:11:40 GMT

    [ https://issues.apache.org/jira/browse/YARN-1707?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14159160#comment-14159160
] 

Hudson commented on YARN-1707:
------------------------------

FAILURE: Integrated in Hadoop-Mapreduce-trunk #1916 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1916/])
YARN-1707. Introduce APIs to add/remove/resize queues in the CapacityScheduler. Contributed
by Carlo Curino and Subru Krishnan (cdouglas: rev eb3e40b833b9d82c1556843f960194dc42e482f3)
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/LeafQueue.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/YarnScheduler.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/QueueEntitlement.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestCapacitySchedulerDynamicBehavior.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestCapacityScheduler.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/ParentQueue.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/dao/CapacitySchedulerQueueInfo.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerDynamicEditException.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/PlanQueue.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityScheduler.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestReservationQueue.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/ReservationQueue.java


> Making the CapacityScheduler more dynamic
> -----------------------------------------
>
>                 Key: YARN-1707
>                 URL: https://issues.apache.org/jira/browse/YARN-1707
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: capacityscheduler
>            Reporter: Carlo Curino
>            Assignee: Carlo Curino
>              Labels: capacity-scheduler
>         Attachments: YARN-1707.10.patch, YARN-1707.2.patch, YARN-1707.3.patch, YARN-1707.4.patch,
YARN-1707.5.patch, YARN-1707.6.patch, YARN-1707.7.patch, YARN-1707.8.patch, YARN-1707.9.patch,
YARN-1707.patch
>
>
> The CapacityScheduler is a rather static at the moment, and refreshqueue provides a rather
heavy-handed way to reconfigure it. Moving towards long-running services (tracked in YARN-896)
and to enable more advanced admission control and resource parcelling we need to make the
CapacityScheduler more dynamic. This is instrumental to the umbrella jira YARN-1051.
> Concretely this require the following changes:
> * create queues dynamically
> * destroy queues dynamically
> * dynamically change queue parameters (e.g., capacity) 
> * modify refreshqueue validation to enforce sum(child.getCapacity())<= 100% instead
of ==100%
> We limit this to LeafQueues. 



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