[HDFS-16171] De-flake testDecommissionStatus

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.4.0, 3.3.2
• Fix Version/s: 3.4.0, 3.3.2, 3.2.4
• Component/s: test
• Labels: pull-request-available
• Target Version/s: 3.4.0, 2.10.2, 3.2.3, 3.3.2
• Hadoop Flags: Reviewed
• Assignee: Viraj Jasani Assign to me
• Reporter: Viraj Jasani
• Created: 13/Aug/21 04:56
• Updated: 27/Jan/24 02:38
• Resolved: 25/Nov/21 13:24

Description

testDecommissionStatus keeps failing intermittently.

[ERROR] testDecommissionStatus(org.apache.hadoop.hdfs.server.namenode.TestDecommissioningStatusWithBackoffMonitor)  Time elapsed: 3.299 s  <<< FAILURE!
java.lang.AssertionError: Unexpected num under-replicated blocks expected:<4> but was:<3>
	at org.junit.Assert.fail(Assert.java:89)
	at org.junit.Assert.failNotEquals(Assert.java:835)
	at org.junit.Assert.assertEquals(Assert.java:647)
	at org.apache.hadoop.hdfs.server.namenode.TestDecommissioningStatus.checkDecommissionStatus(TestDecommissioningStatus.java:169)
	at org.apache.hadoop.hdfs.server.namenode.TestDecommissioningStatusWithBackoffMonitor.testDecommissionStatus(TestDecommissioningStatusWithBackoffMonitor.java:136)

Issue Links

• fixes: HDFS-12188 TestDecommissioningStatus#testDecommissionStatus fails intermittently
• is depended upon by: HDFS-16336 De-flake TestRollingUpgrade#testRollback
• is duplicated by: HDFS-16112 Fix flaky unit test TestDecommissioningStatusWithBackoffMonitor
• links to: GitHub Pull Request #3280
• links to: GitHub Pull Request #3720