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https://issues.apache.org/jira/browse/YARN-7578?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16270121#comment-16270121
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Vetriselvan commented on YARN-7578:
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https://github.com/apache/hadoop/pull/304
> Extend TestDiskFailures.waitForDiskHealthCheck() sleeping time.
> ---------------------------------------------------------------
>
> Key: YARN-7578
> URL: https://issues.apache.org/jira/browse/YARN-7578
> Project: Hadoop YARN
> Issue Type: Test
> Affects Versions: 3.1.0
> Environment: ARMv8 AArch64, Ubuntu16.04
> Reporter: Guangming Zhang
> Priority: Minor
> Labels: dtest, patch, test
> Fix For: 3.1.0
>
> Original Estimate: 48h
> Remaining Estimate: 48h
>
> Thread.sleep() function is called to wait for NodeManager to identify disk
> failures. But in some cases, for example the lower-end hardware computer, the
> sleep time is too short so that the NodeManager may haven't finished
> identifying disk failures. This will occur test errors:
> {code:java}
> Running org.apache.hadoop.yarn.server.TestDiskFailures
> Tests run: 3, Failures: 2, Errors: 0, Skipped: 0, Time elapsed: 17.686
> sec <<< FAILURE! - in org.apache.hadoop.yarn.server.TestDiskFailures
> testLocalDirsFailures(org.apache.hadoop.yarn.server.TestDiskFailures)
> Time elapsed: 10.412 sec <<< FAILURE!
> java.lang.AssertionError: NodeManager could not identify disk failure.
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.assertTrue(Assert.java:41)
> at
> org.apache.hadoop.yarn.server.TestDiskFailures.verifyDisksHealth(TestDiskFailures.java:239)
> at
> org.apache.hadoop.yarn.server.TestDiskFailures.testDirsFailures(TestDiskFailures.java:186)
> at
> org.apache.hadoop.yarn.server.TestDiskFailures.testLocalDirsFailures(TestDiskFailures.java:99)
> testLogDirsFailures(org.apache.hadoop.yarn.server.TestDiskFailures)
> Time elapsed: 5.99 sec <<< FAILURE!
> java.lang.AssertionError: NodeManager could not identify disk failure.
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.assertTrue(Assert.java:41)
> at
> org.apache.hadoop.yarn.server.TestDiskFailures.verifyDisksHealth(TestDiskFailures.java:239)
> at
> org.apache.hadoop.yarn.server.TestDiskFailures.testDirsFailures(TestDiskFailures.java:186)
> at
> org.apache.hadoop.yarn.server.TestDiskFailures.testLogDirsFailures(TestDiskFailures.java:111)
> {code}
> So extend the sleep time from 1000ms to 1500ms to avoid some unit test
> errors.
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