dannycjones commented on PR #4983:
URL: https://github.com/apache/hadoop/pull/4983#issuecomment-1271406373
I'm seeing the test in question fail intermittently.
```
[INFO] Running org.apache.hadoop.fs.s3a.ITestS3APrefetchingInputStream
[ERROR] Tests run: 3, Failures: 1, Errors: 0, Skipped: 0, Time elapsed:
9.691 s <<< FAILURE! - in
org.apache.hadoop.fs.s3a.ITestS3APrefetchingInputStream
[ERROR]
testRandomReadLargeFile(org.apache.hadoop.fs.s3a.ITestS3APrefetchingInputStream)
Time elapsed: 2.826 s <<< FAILURE!
org.junit.ComparisonFailure: [Gauge named stream_read_blocks_in_cache with
expected value 2] expected:<[2]L> but was:<[1]L>
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at
org.apache.hadoop.fs.statistics.IOStatisticAssertions.verifyStatisticValue(IOStatisticAssertions.java:257)
at
org.apache.hadoop.fs.statistics.IOStatisticAssertions.verifyStatisticGaugeValue(IOStatisticAssertions.java:190)
at
org.apache.hadoop.fs.s3a.ITestS3APrefetchingInputStream.testRandomReadLargeFile(ITestS3APrefetchingInputStream.java:158)
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:59)
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
at
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:61)
at
org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:299)
at
org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:293)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.lang.Thread.run(Thread.java:750)
```
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