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https://issues.apache.org/jira/browse/HDFS-9074?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14745315#comment-14745315
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Vinayakumar B commented on HDFS-9074:
-------------------------------------
HDFS-9067, did not fix all failures. But it has exposed a Util method in
{{DFSTestUtil#waitForMetric()}} to wait for the metric update.
This can be used to fix this failure.
> Fix failures in TestLazyPersistReplicaPlacement
> -----------------------------------------------
>
> Key: HDFS-9074
> URL: https://issues.apache.org/jira/browse/HDFS-9074
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: test
> Affects Versions: 3.0.0
> Environment: jenkins
> Reporter: J.Andreina
> Assignee: J.Andreina
> Priority: Critical
>
> Testcases TestLazyPersistReplicaPlacement#testSynchronousEviction,
> TestLazyPersistReplicaPlacement#testFallbackToDiskFull fails with below
> excepiton
> {noformat}
> java.lang.AssertionError: expected:<1> but was:<0>
> 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:555)
> at org.junit.Assert.assertEquals(Assert.java:542)
> at
> org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.LazyPersistTestCase.verifyRamDiskJMXMetric(LazyPersistTestCase.java:483)
> at
> org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.TestLazyPersistReplicaPlacement.testSynchronousEviction(TestLazyPersistReplicaPlacement.java:92)
> {noformat}
> {noformat}
> java.lang.AssertionError: expected:<1> but was:<0>
> 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:555)
> at org.junit.Assert.assertEquals(Assert.java:542)
> at
> org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.LazyPersistTestCase.verifyRamDiskJMXMetric(LazyPersistTestCase.java:483)
> at
> org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.TestLazyPersistReplicaPlacement.testFallbackToDiskFull(TestLazyPersistReplicaPlacement.java:107)
> {noformat}
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