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Posted to yarn-issues@hadoop.apache.org by "Yufei Gu (JIRA)" <ji...@apache.org> on 2017/10/13 19:41:00 UTC
[jira] [Updated] (YARN-7270) Fix unsafe casting from long to int
for class Resource and its sub-classes
[ https://issues.apache.org/jira/browse/YARN-7270?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Yufei Gu updated YARN-7270:
---------------------------
Summary: Fix unsafe casting from long to int for class Resource and its sub-classes (was: Resource#getVirtualCores() does unsafe casting from long to int.)
> Fix unsafe casting from long to int for class Resource and its sub-classes
> --------------------------------------------------------------------------
>
> Key: YARN-7270
> URL: https://issues.apache.org/jira/browse/YARN-7270
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Affects Versions: 3.1.0
> Reporter: Yufei Gu
> Assignee: Yufei Gu
> Attachments: YARN-7270.001.patch, YARN-7270.002.patch, YARN-7270.003.patch, YARN-7270.004.patch, YARN-7270.005.patch
>
>
> Class {{Resource}} has three sub classes(FixedValueResource, LightWeightResource, and ResourcePBImpl). Only FixedValueResource handle long-to-int casting nicely. The other two didn't. This bug is introduced by resource type feature and causes several unit test failures. For example:
> {code}
> Error Message
> expected:<<memory:4096, vCores:4>> but was:<<memory:4096, vCores:-1>>
> Stacktrace
> java.lang.AssertionError: expected:<<memory:4096, vCores:4>> but was:<<memory:4096, vCores:-1>>
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.failNotEquals(Assert.java:743)
> at org.junit.Assert.assertEquals(Assert.java:118)
> at org.junit.Assert.assertEquals(Assert.java:144)
> at org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.TestFSAppAttempt.testHeadroomWithBlackListedNodes(TestFSAppAttempt.java:325)
> {code}
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