LongGang Chen created YARN-8353:
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             Summary: LightWeightResource's hashCode function is different from 
parent class
                 Key: YARN-8353
                 URL: https://issues.apache.org/jira/browse/YARN-8353
             Project: Hadoop YARN
          Issue Type: Bug
            Reporter: LongGang Chen


LightWeightResource's hashCode function is different from parent class。

One of the consequences is: 

ContainerUpdateContext.removeFromOutstandingUpdate will nor work correct,

ContainerUpdateContext.outstandingIncreases will has smelly datas。

a simple test:
public void testHashCode() throws Exception {
    Resource resource = Resources.createResource(10,10);
    Resource resource1 = new ResourcePBImpl();
    resource1.setMemorySize(10L);
    resource1.setVirtualCores(10);
    int x = resource.hashCode();
    int y = resource1.hashCode();
    Assert.assertEquals(x, y);
}



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