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  1. Hadoop HDFS
  2. HDFS-13891 HDFS RBF stabilization phase I
  3. HDFS-14161

RBF: Throw StandbyException instead of IOException so that client can retry when can not get connection

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    Details

    • Type: Sub-task
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 3.1.1, 2.9.2, 3.0.3
    • Fix Version/s: 3.3.0, HDFS-13891
    • Component/s: None
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      Hive Client may hang when get IOException, stack follows

      Exception in thread "Thread-150" java.lang.RuntimeException: org.apache.hadoop.ipc.RemoteException(java.io.IOException): Cannot get a connection to bigdata-nn20.g01:8020
      	at org.apache.hadoop.hdfs.server.federation.router.RouterRpcClient.getConnection(RouterRpcClient.java:262)
      	at org.apache.hadoop.hdfs.server.federation.router.RouterRpcClient.invokeMethod(RouterRpcClient.java:380)
      	at org.apache.hadoop.hdfs.server.federation.router.RouterRpcClient.invokeSequential(RouterRpcClient.java:752)
      	at org.apache.hadoop.hdfs.server.federation.router.RouterRpcServer.getFileInfo(RouterRpcServer.java:1152)
      	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getFileInfo(ClientNamenodeProtocolServerSideTranslatorPB.java:849)
      	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
      	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:616)
      	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:982)
      	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2134)
      	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2130)
      	at java.security.AccessController.doPrivileged(Native Method)
      	at javax.security.auth.Subject.doAs(Subject.java:422)
      	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1867)
      	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2130)
      
      	at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:554)
      	at org.apache.hadoop.hive.ql.exec.TaskRunner.run(TaskRunner.java:74)
      Caused by: org.apache.hadoop.ipc.RemoteException(java.io.IOException): Cannot get a connection to bigdata-nn20.g01:8020
      	at org.apache.hadoop.hdfs.server.federation.router.RouterRpcClient.getConnection(RouterRpcClient.java:262)
      	at org.apache.hadoop.hdfs.server.federation.router.RouterRpcClient.invokeMethod(RouterRpcClient.java:380)
      	at org.apache.hadoop.hdfs.server.federation.router.RouterRpcClient.invokeSequential(RouterRpcClient.java:752)
      	at org.apache.hadoop.hdfs.server.federation.router.RouterRpcServer.getFileInfo(RouterRpcServer.java:1152)
      	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getFileInfo(ClientNamenodeProtocolServerSideTranslatorPB.java:849)
      	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
      	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:616)
      	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:982)
      	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2134)
      	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2130)
      	at java.security.AccessController.doPrivileged(Native Method)
      	at javax.security.auth.Subject.doAs(Subject.java:422)
      	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1867)
      	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2130)
      
      	at org.apache.hadoop.ipc.Client.call(Client.java:1503)
      	at org.apache.hadoop.ipc.Client.call(Client.java:1441)
      	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
      	at com.sun.proxy.$Proxy14.getFileInfo(Unknown Source)
      	at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:775)
      	at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
      	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:253)
      	at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
      	at com.sun.proxy.$Proxy15.getFileInfo(Unknown Source)
      	at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2111)
      	at org.apache.hadoop.hdfs.DistributedFileSystem$23.doCall(DistributedFileSystem.java:1390)
      	at org.apache.hadoop.hdfs.DistributedFileSystem$23.doCall(DistributedFileSystem.java:1386)
      	at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
      	at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1402)
      	at org.apache.hadoop.fs.FileSystem.exists(FileSystem.java:1494)
      	at org.apache.hadoop.hive.ql.session.SessionState.createPath(SessionState.java:719)
      	at org.apache.hadoop.hive.ql.session.SessionState.createTmpTableSpaceDir(SessionState.java:635)
      	at org.apache.hadoop.hive.ql.session.SessionState.createSessionDirs(SessionState.java:613)
      	at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:540)
      	... 1 more
      

      If router throw RetriableException when can not get connection and client set dfs.client.retry.policy.enabled true, this problem can be resvoled.

        Attachments

        1. HDFS-14161.001.patch
          3 kB
          Fei Hui
        2. HDFS-14161-HDFS-13891.001.patch
          8 kB
          Fei Hui
        3. HDFS-14161-HDFS-13891.002.patch
          8 kB
          Fei Hui
        4. HDFS-14161-HDFS-13891.003.patch
          9 kB
          Fei Hui
        5. HDFS-14161-HDFS-13891.004.patch
          9 kB
          Fei Hui
        6. HDFS-14161-HDFS-13891.005.patch
          9 kB
          Fei Hui
        7. HDFS-14161-HDFS-13891.006.patch
          10 kB
          Fei Hui

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              • Assignee:
                ferhui Fei Hui
                Reporter:
                ferhui Fei Hui
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                Dates

                • Created:
                  Updated:
                  Resolved: