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https://issues.apache.org/jira/browse/YARN-3018?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14530699#comment-14530699
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nijel commented on YARN-3018:
-----------------------------

The test failure can be solved by changing the following lines in 
TestLeafQueue.testLocalityConstraints() 

-    verify(app_0,never()).allocate(eq(NodeType.RACK_LOCAL), eq(node_1_1),  - 
line number 2394
+    verify(app_0, never()).allocate(eq(NodeType.NODE_LOCAL), eq(node_1_1),  
         any(Priority.class), any(ResourceRequest.class), any(Container.class));
     assertEquals(0, app_0.getSchedulingOpportunities(priority)); 
-    assertEquals(1, app_0.getTotalRequiredResources(priority));        - line 
number 2397
+    assertEquals(0, app_0.getTotalRequiredResources(priority));

But i am not sure about the impact. Can any one help me in this ? 

> Unify the default value for yarn.scheduler.capacity.node-locality-delay in 
> code and default xml file
> ----------------------------------------------------------------------------------------------------
>
>                 Key: YARN-3018
>                 URL: https://issues.apache.org/jira/browse/YARN-3018
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: capacityscheduler
>            Reporter: nijel
>            Assignee: nijel
>            Priority: Trivial
>         Attachments: YARN-3018-1.patch, YARN-3018-2.patch, YARN-3018-3.patch, 
> YARN-3018-4.patch
>
>
> For the configuration item "yarn.scheduler.capacity.node-locality-delay" the 
> default value given in code is "-1"
> public static final int DEFAULT_NODE_LOCALITY_DELAY = -1;
> In the default capacity-scheduler.xml file in the resource manager config 
> directory it is 40.
> Can it be unified to avoid confusion when the user creates the file without 
> this configuration. IF he expects the values in the file to be default 
> values, then it will be wrong.



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