Marton Elek created HDDS-2535:
---------------------------------
Summary: TestOzoneManagerDoubleBufferWithOMResponse is flaky
Key: HDDS-2535
URL: https://issues.apache.org/jira/browse/HDDS-2535
Project: Hadoop Distributed Data Store
Issue Type: Bug
Components: Ozone Manager
Reporter: Marton Elek
Flakiness can be reproduced locally. Usually it passes, but when I started to
run it 100 times parallel with high cpu load it failed with the 3rd attempt
(timed out)
{code:java}
-------------------------------------------------------------------------------
Test set:
org.apache.hadoop.ozone.om.ratis.TestOzoneManagerDoubleBufferWithOMResponse
-------------------------------------------------------------------------------
Tests run: 3, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 503.297 s <<<
FAILURE! - in
org.apache.hadoop.ozone.om.ratis.TestOzoneManagerDoubleBufferWithOMResponse
testDoubleBuffer(org.apache.hadoop.ozone.om.ratis.TestOzoneManagerDoubleBufferWithOMResponse)
Time elapsed: 500.122 s <<< ERROR!
java.lang.Exception: test timed out after 500000 milliseconds
at java.lang.Thread.sleep(Native Method)
at
org.apache.hadoop.test.GenericTestUtils.waitFor(GenericTestUtils.java:382)
at
org.apache.hadoop.ozone.om.ratis.TestOzoneManagerDoubleBufferWithOMResponse.testDoubleBuffer(TestOzoneManagerDoubleBufferWithOMResponse.java:385)
at
org.apache.hadoop.ozone.om.ratis.TestOzoneManagerDoubleBufferWithOMResponse.testDoubleBuffer(TestOzoneManagerDoubleBufferWithOMResponse.java:129)
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$1.runReflectiveCall(FrameworkMethod.java:47)
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
at
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at
org.junit.internal.runners.statements.FailOnTimeout$StatementThread.run(FailOnTimeout.java:74)
{code}
Independent from the flakiness I think a test where the timeout is 8 minutes
and starts 1000 threads to insert 500 buckets (500_000 buckets all together)
it's more like an integration test and would be better to move the slowest part
to the integration-test project.
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