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https://issues.apache.org/jira/browse/HBASE-29213?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18126718#comment-18126718
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mazhengxuan commented on HBASE-29213:
-------------------------------------
Patch posted: https://github.com/apache/hbase/pull/8764.
The timer now starts before worker construction.
> TestRegionNormalizerWorker.testRateLimit fails because of microseconds
> ----------------------------------------------------------------------
>
> Key: HBASE-29213
> URL: https://issues.apache.org/jira/browse/HBASE-29213
> Project: HBase
> Issue Type: Bug
> Components: Normalizer, test
> Reporter: Istvan Toth
> Priority: Minor
> Labels: pull-request-available
>
> I saw this today in branch-2.5 CI run.
> This looks like a time resolution artifact, we should relax the assertation,
> or fix the measurement.
> {noformat}
> [ERROR]
> org.apache.hadoop.hbase.master.normalizer.TestRegionNormalizerWorker.testRateLimit
> Time elapsed: 7.495 s <<< FAILURE!
> java.lang.AssertionError:
> rate limited normalizer should have taken at least 5 seconds
> Expected: a value equal to or greater than <PT5S>
> but: <PT4.999904667S> was less than <PT5S>
> at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:20)
> at
> org.apache.hadoop.hbase.master.normalizer.TestRegionNormalizerWorker.testRateLimit(TestRegionNormalizerWorker.java:203)
> at
> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
> at
> java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.base/java.lang.reflect.Method.invoke(Method.java:568)
> 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.mockito.internal.junit.JUnitSessionStore$1.evaluateSafely(JUnitSessionStore.java:55)
> at
> org.mockito.internal.junit.JUnitSessionStore$1.evaluate(JUnitSessionStore.java:43)
> at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:61)
> at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:61)
> at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
> at
> org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)
> at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)
> at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
> at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
> at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
> at
> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:299)
> at
> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:293)
> at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
> at java.base/java.lang.Thread.run(Thread.java:840){noformat}
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