tomscut opened a new pull request #3574:
URL: https://github.com/apache/hadoop/pull/3574


   JIRA: [HDFS-16281](https://issues.apache.org/jira/browse/HDFS-16281)
   
   I found that this unit test `TestViewFileSystemOverloadSchemeWithHdfsScheme` 
failed several times due to timeout. Can we change the timeout for some methods 
from `3s` to `30s` to be consistent with the other methods?
   
   `[ERROR] Tests run: 19, Failures: 0, Errors: 4, Skipped: 0, Time elapsed: 
65.39 s <<< FAILURE! - in 
org.apache.hadoop.fs.viewfs.TestViewFSOverloadSchemeWithMountTableConfigInHDFS
   [ERROR] 
testNflyRepair(org.apache.hadoop.fs.viewfs.TestViewFSOverloadSchemeWithMountTableConfigInHDFS)
  Time elapsed: 4.132 s  <<< ERROR!
   org.junit.runners.model.TestTimedOutException: test timed out after 3000 
milliseconds
        at java.lang.Object.wait(Native Method)
        at java.lang.Object.wait(Object.java:502)
        at 
org.apache.hadoop.util.concurrent.AsyncGet$Util.wait(AsyncGet.java:59)
        at org.apache.hadoop.ipc.Client.getRpcResponse(Client.java:1577)
        at org.apache.hadoop.ipc.Client.call(Client.java:1535)
        at org.apache.hadoop.ipc.Client.call(Client.java:1432)
        at 
org.apache.hadoop.ipc.ProtobufRpcEngine2$Invoker.invoke(ProtobufRpcEngine2.java:242)
        at 
org.apache.hadoop.ipc.ProtobufRpcEngine2$Invoker.invoke(ProtobufRpcEngine2.java:129)
        at com.sun.proxy.$Proxy26.setTimes(Unknown Source)
        at 
org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.setTimes(ClientNamenodeProtocolTranslatorPB.java:1059)
        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.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:431)
        at 
org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeMethod(RetryInvocationHandler.java:166)
        at 
org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invoke(RetryInvocationHandler.java:158)
        at 
org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeOnce(RetryInvocationHandler.java:96)
        at 
org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:362)
        at com.sun.proxy.$Proxy27.setTimes(Unknown Source)
        at org.apache.hadoop.hdfs.DFSClient.setTimes(DFSClient.java:2658)
        at 
org.apache.hadoop.hdfs.DistributedFileSystem$37.doCall(DistributedFileSystem.java:1978)
        at 
org.apache.hadoop.hdfs.DistributedFileSystem$37.doCall(DistributedFileSystem.java:1975)
        at 
org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
        at 
org.apache.hadoop.hdfs.DistributedFileSystem.setTimes(DistributedFileSystem.java:1988)
        at 
org.apache.hadoop.fs.FilterFileSystem.setTimes(FilterFileSystem.java:542)
        at 
org.apache.hadoop.fs.viewfs.ChRootedFileSystem.setTimes(ChRootedFileSystem.java:328)
        at 
org.apache.hadoop.fs.viewfs.NflyFSystem$NflyOutputStream.commit(NflyFSystem.java:439)
        at 
org.apache.hadoop.fs.viewfs.NflyFSystem$NflyOutputStream.close(NflyFSystem.java:395)
        at 
org.apache.hadoop.fs.FSDataOutputStream$PositionCache.close(FSDataOutputStream.java:77)
        at 
org.apache.hadoop.fs.FSDataOutputStream.close(FSDataOutputStream.java:106)
        at 
org.apache.hadoop.fs.viewfs.TestViewFileSystemOverloadSchemeWithHdfsScheme.writeString(TestViewFileSystemOverloadSchemeWithHdfsScheme.java:685)
        at 
org.apache.hadoop.fs.viewfs.TestViewFileSystemOverloadSchemeWithHdfsScheme.testNflyRepair(TestViewFileSystemOverloadSchemeWithHdfsScheme.java:622)
        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$1.runReflectiveCall(FrameworkMethod.java:59)
        at 
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
        at 
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
        at 
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
        at 
org.junit.internal.runners.statements.FailOnTimeout$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:748)
   `


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