Ahmed Hussein created HDFS-15146:
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Summary: TestBalancerRPCDelay.testBalancerRPCDelay fails
intermittently
Key: HDFS-15146
URL: https://issues.apache.org/jira/browse/HDFS-15146
Project: Hadoop HDFS
Issue Type: Bug
Reporter: Ahmed Hussein
Assignee: Ahmed Hussein
TestBalancerRPCDelay.testBalancerRPCDelay fails intermittently when the number
of blocks does not match the expected. In {{testBalancerRPCDelay}}, it seems
like some datanodes will not be up by the time we fetch the block locations.
I see the following stack trace:
{code:bash}
[ERROR] Tests run: 2, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 39.969
s <<< FAILURE! - in org.apache.hadoop.hdfs.server.balancer.TestBalancerRPCDelay
[ERROR]
testBalancerRPCDelayQpsDefault(org.apache.hadoop.hdfs.server.balancer.TestBalancerRPCDelay)
Time elapsed: 12.035 s <<< FAILURE!
java.lang.AssertionError: Number of getBlocks should be not less than 20
at org.junit.Assert.fail(Assert.java:88)
at org.junit.Assert.assertTrue(Assert.java:41)
at
org.apache.hadoop.hdfs.server.balancer.TestBalancer.testBalancerRPCDelay(TestBalancer.java:2197)
at
org.apache.hadoop.hdfs.server.balancer.TestBalancerRPCDelay.testBalancerRPCDelayQpsDefault(TestBalancerRPCDelay.java:53)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at
org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298)
at
org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.lang.Thread.run(Thread.java:748)
{code}
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