[
https://issues.apache.org/jira/browse/HDFS-15024?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
huhaiyang updated HDFS-15024:
-----------------------------
Description:
{code:java}
When we enable the ONN , there will be three NN nodes for the client
configuration,
Such as configuration
<property>
<name>dfs.ha.namenodes.ns1</name>
<value>nn2,nn3,nn1</value>
</property>
Currently,
nn2 is in standby state
nn3 is in observer state
nn1 is in active state
When the user performs an access HDFS operation
./bin/hadoop --loglevel debug fs
-Ddfs.client.failover.proxy.provider.ns1=org.apache.hadoop.hdfs.server.namenode.ha.ObserverReadProxyProvider
-ls /user/haiyang1/
16:49:13 DEBUG ipc.Client: The ping interval is 60000 ms.
19/11/28 16:49:13 DEBUG ipc.Client: Connecting to xx/xx:8020
...
19/11/28 16:49:13 DEBUG retry.RetryInvocationHandler:
org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.ipc.StandbyException):
Operation category WRITE is not supported in state observer. Visit
https://s.apache.org/sbnn-error
at
org.apache.hadoop.hdfs.server.namenode.ha.StandbyState.checkOperation(StandbyState.java:98)
at
org.apache.hadoop.hdfs.server.namenode.NameNode$NameNodeHAContext.checkOperation(NameNode.java:2018)
at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkOperation(FSNamesystem.java:1461)
at
org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.msync(NameNodeRpcServer.java:1384)
at
org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.msync(ClientNamenodeProtocolServerSideTranslatorPB.java:1907)
at
org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
at
org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:531)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1070)
at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:928)
at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:863)
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:1903)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2815)
, while invoking $Proxy4.getFileInfo over [xx/xx:8020,xx/xx:8020,xx/xx:8020].
Trying to failover immediately.
org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.ipc.StandbyException):
Operation category WRITE is not supported in state observer. Visit
https://s.apache.org/sbnn-error
at
org.apache.hadoop.hdfs.server.namenode.ha.StandbyState.checkOperation(StandbyState.java:98)
at
org.apache.hadoop.hdfs.server.namenode.NameNode$NameNodeHAContext.checkOperation(NameNode.java:2018)
at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkOperation(FSNamesystem.java:1461)
at
org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.msync(NameNodeRpcServer.java:1384)
at
org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.msync(ClientNamenodeProtocolServerSideTranslatorPB.java:1907)
at
org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
at
org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:531)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1070)
at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:928)
at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:863)
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:1903)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2815)
at org.apache.hadoop.ipc.Client.getRpcResponse(Client.java:1543)
at org.apache.hadoop.ipc.Client.call(Client.java:1489)
at org.apache.hadoop.ipc.Client.call(Client.java:1388)
at
org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:233)
at
org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:118)
at com.sun.proxy.$Proxy15.msync(Unknown Source)
at
org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.msync(ClientNamenodeProtocolTranslatorPB.java:1958)
at
org.apache.hadoop.hdfs.server.namenode.ha.ObserverReadProxyProvider.initializeMsync(ObserverReadProxyProvider.java:318)
at
org.apache.hadoop.hdfs.server.namenode.ha.ObserverReadProxyProvider.access$500(ObserverReadProxyProvider.java:69)
at
org.apache.hadoop.hdfs.server.namenode.ha.ObserverReadProxyProvider$ObserverReadInvocationHandler.invoke(ObserverReadProxyProvider.java:374)
at com.sun.proxy.$Proxy4.getFileInfo(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:422)
at
org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeMethod(RetryInvocationHandler.java:165)
at
org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invoke(RetryInvocationHandler.java:157)
at
org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeOnce(RetryInvocationHandler.java:95)
at
org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:359)
at com.sun.proxy.$Proxy4.getFileInfo(Unknown Source)
at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:1666)
at
org.apache.hadoop.hdfs.DistributedFileSystem$29.doCall(DistributedFileSystem.java:1582)
at
org.apache.hadoop.hdfs.DistributedFileSystem$29.doCall(DistributedFileSystem.java:1579)
at
org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
at
org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1594)
at org.apache.hadoop.fs.Globber.getFileStatus(Globber.java:65)
at org.apache.hadoop.fs.Globber.doGlob(Globber.java:281)
at org.apache.hadoop.fs.Globber.glob(Globber.java:149)
at org.apache.hadoop.fs.FileSystem.globStatus(FileSystem.java:2092)
at org.apache.hadoop.fs.shell.PathData.expandAsGlob(PathData.java:353)
at org.apache.hadoop.fs.shell.Command.expandArgument(Command.java:250)
at org.apache.hadoop.fs.shell.Command.expandArguments(Command.java:233)
at
org.apache.hadoop.fs.shell.FsCommand.processRawArguments(FsCommand.java:106)
at org.apache.hadoop.fs.shell.Command.run(Command.java:177)
at org.apache.hadoop.fs.FsShell.run(FsShell.java:327)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:90)
at org.apache.hadoop.fs.FsShell.main(FsShell.java:390)
19/11/28 16:49:13 DEBUG retry.RetryUtils: multipleLinearRandomRetry = null
19/11/28 16:49:13 DEBUG ipc.Client: getting client out of cache:
org.apache.hadoop.ipc.Client@69e1dd28
19/11/28 16:49:13 DEBUG ipc.Client: The ping interval is 60000 ms.
19/11/28 16:49:13 DEBUG ipc.Client: Connecting to xx/xx:8020
19/11/28 16:49:13 DEBUG ipc.Client: IPC Client (7967307) connection to
xx/xx:8020 from hadoop: starting, having connections 2
19/11/28 16:49:13 DEBUG ipc.Client: IPC Client (7967307) connection to
xx/xx:8020 from hadoop sending #0
org.apache.hadoop.hdfs.protocol.ClientProtocol.msync
19/11/28 16:49:13 DEBUG ipc.Client: IPC Client (7967307) connection to
xx/xx:8020 from hadoop got value #0
19/11/28 16:49:13 INFO retry.RetryInvocationHandler:
org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.ipc.StandbyException):
Operation category WRITE is not supported in state standby. Visit
https://s.apache.org/sbnn-error
at
org.apache.hadoop.hdfs.server.namenode.ha.StandbyState.checkOperation(StandbyState.java:98)
at
org.apache.hadoop.hdfs.server.namenode.NameNode$NameNodeHAContext.checkOperation(NameNode.java:2018)
at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkOperation(FSNamesystem.java:1461)
at
org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.msync(NameNodeRpcServer.java:1384)
at
org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.msync(ClientNamenodeProtocolServerSideTranslatorPB.java:1907)
at
org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
at
org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:531)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1070)
at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:928)
at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:863)
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:1903)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2815)
, while invoking $Proxy4.getFileInfo over [xx/xx:8020,xx/xx:8020,xx/xx:8020]
after 1 failover attempts. Trying to failover after sleeping for 1103ms.
19/11/28 16:49:14 DEBUG retry.RetryUtils: multipleLinearRandomRetry = null
19/11/28 16:49:14 DEBUG ipc.Client: getting client out of cache:
org.apache.hadoop.ipc.Client@69e1dd28
19/11/28 16:49:14 DEBUG ipc.Client: The ping interval is 60000 ms.
19/11/28 16:49:14 DEBUG ipc.Client: Connecting to xx/xx:8020
19/11/28 16:49:14 DEBUG ipc.Client: IPC Client (7967307) connection to
xx/xx:8020 from hadoop: starting, having connections 3
19/11/28 16:49:14 DEBUG ipc.Client: IPC Client (7967307) connection to
xx/xx:8020 from hadoop sending #0
org.apache.hadoop.hdfs.protocol.ClientProtocol.msync
19/11/28 16:49:14 DEBUG ipc.Client: IPC Client (7967307) connection to
xx/xx:8020 from hadoop got value #0
19/11/28 16:49:14 DEBUG ipc.ProtobufRpcEngine: Call: msync took 2ms
...
11/28 16:49:14 DEBUG ipc.ProtobufRpcEngine: Call: getListing took 1ms
19/11/28 16:49:14 DEBUG ha.ObserverReadProxyProvider: Invocation of getListing
using xx/xx:8020 was successful
Found 46 items
{code}
was:
{code:java}
When we enable the ONN , there will be three NN nodes for the client
configuration,
Such as configuration
<property>
<name>dfs.ha.namenodes.ns1</name>
<value>nn2,nn3,nn1</value>
</property>
Currently, nn2 is in standby state, nn3 is in observer state, and nn1 is in
active state
When the user performs an access HDFS operation
{code}
> [SBN read] In FailoverOnNetworkExceptionRetry , Number of NameNodes as a
> condition of calculation of sleep time
> ---------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-15024
> URL: https://issues.apache.org/jira/browse/HDFS-15024
> Project: Hadoop HDFS
> Issue Type: Improvement
> Affects Versions: 2.10.0, 3.3.0, 3.2.1
> Reporter: huhaiyang
> Priority: Major
> Attachments: HDFS-15024.001.patch
>
>
> {code:java}
> When we enable the ONN , there will be three NN nodes for the client
> configuration,
> Such as configuration
> <property>
> <name>dfs.ha.namenodes.ns1</name>
> <value>nn2,nn3,nn1</value>
> </property>
> Currently,
> nn2 is in standby state
> nn3 is in observer state
> nn1 is in active state
> When the user performs an access HDFS operation
> ./bin/hadoop --loglevel debug fs
> -Ddfs.client.failover.proxy.provider.ns1=org.apache.hadoop.hdfs.server.namenode.ha.ObserverReadProxyProvider
> -ls /user/haiyang1/
> 16:49:13 DEBUG ipc.Client: The ping interval is 60000 ms.
> 19/11/28 16:49:13 DEBUG ipc.Client: Connecting to xx/xx:8020
> ...
> 19/11/28 16:49:13 DEBUG retry.RetryInvocationHandler:
> org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.ipc.StandbyException):
> Operation category WRITE is not supported in state observer. Visit
> https://s.apache.org/sbnn-error
> at
> org.apache.hadoop.hdfs.server.namenode.ha.StandbyState.checkOperation(StandbyState.java:98)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode$NameNodeHAContext.checkOperation(NameNode.java:2018)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkOperation(FSNamesystem.java:1461)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.msync(NameNodeRpcServer.java:1384)
> at
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.msync(ClientNamenodeProtocolServerSideTranslatorPB.java:1907)
> at
> org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:531)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1070)
> at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:928)
> at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:863)
> 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:1903)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2815)
> , while invoking $Proxy4.getFileInfo over [xx/xx:8020,xx/xx:8020,xx/xx:8020].
> Trying to failover immediately.
> org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.ipc.StandbyException):
> Operation category WRITE is not supported in state observer. Visit
> https://s.apache.org/sbnn-error
> at
> org.apache.hadoop.hdfs.server.namenode.ha.StandbyState.checkOperation(StandbyState.java:98)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode$NameNodeHAContext.checkOperation(NameNode.java:2018)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkOperation(FSNamesystem.java:1461)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.msync(NameNodeRpcServer.java:1384)
> at
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.msync(ClientNamenodeProtocolServerSideTranslatorPB.java:1907)
> at
> org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:531)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1070)
> at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:928)
> at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:863)
> 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:1903)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2815)
> at org.apache.hadoop.ipc.Client.getRpcResponse(Client.java:1543)
> at org.apache.hadoop.ipc.Client.call(Client.java:1489)
> at org.apache.hadoop.ipc.Client.call(Client.java:1388)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:233)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:118)
> at com.sun.proxy.$Proxy15.msync(Unknown Source)
> at
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.msync(ClientNamenodeProtocolTranslatorPB.java:1958)
> at
> org.apache.hadoop.hdfs.server.namenode.ha.ObserverReadProxyProvider.initializeMsync(ObserverReadProxyProvider.java:318)
> at
> org.apache.hadoop.hdfs.server.namenode.ha.ObserverReadProxyProvider.access$500(ObserverReadProxyProvider.java:69)
> at
> org.apache.hadoop.hdfs.server.namenode.ha.ObserverReadProxyProvider$ObserverReadInvocationHandler.invoke(ObserverReadProxyProvider.java:374)
> at com.sun.proxy.$Proxy4.getFileInfo(Unknown Source)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:422)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeMethod(RetryInvocationHandler.java:165)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invoke(RetryInvocationHandler.java:157)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeOnce(RetryInvocationHandler.java:95)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:359)
> at com.sun.proxy.$Proxy4.getFileInfo(Unknown Source)
> at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:1666)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem$29.doCall(DistributedFileSystem.java:1582)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem$29.doCall(DistributedFileSystem.java:1579)
> at
> org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> at
> org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1594)
> at org.apache.hadoop.fs.Globber.getFileStatus(Globber.java:65)
> at org.apache.hadoop.fs.Globber.doGlob(Globber.java:281)
> at org.apache.hadoop.fs.Globber.glob(Globber.java:149)
> at org.apache.hadoop.fs.FileSystem.globStatus(FileSystem.java:2092)
> at org.apache.hadoop.fs.shell.PathData.expandAsGlob(PathData.java:353)
> at org.apache.hadoop.fs.shell.Command.expandArgument(Command.java:250)
> at org.apache.hadoop.fs.shell.Command.expandArguments(Command.java:233)
> at
> org.apache.hadoop.fs.shell.FsCommand.processRawArguments(FsCommand.java:106)
> at org.apache.hadoop.fs.shell.Command.run(Command.java:177)
> at org.apache.hadoop.fs.FsShell.run(FsShell.java:327)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:90)
> at org.apache.hadoop.fs.FsShell.main(FsShell.java:390)
> 19/11/28 16:49:13 DEBUG retry.RetryUtils: multipleLinearRandomRetry = null
> 19/11/28 16:49:13 DEBUG ipc.Client: getting client out of cache:
> org.apache.hadoop.ipc.Client@69e1dd28
> 19/11/28 16:49:13 DEBUG ipc.Client: The ping interval is 60000 ms.
> 19/11/28 16:49:13 DEBUG ipc.Client: Connecting to xx/xx:8020
> 19/11/28 16:49:13 DEBUG ipc.Client: IPC Client (7967307) connection to
> xx/xx:8020 from hadoop: starting, having connections 2
> 19/11/28 16:49:13 DEBUG ipc.Client: IPC Client (7967307) connection to
> xx/xx:8020 from hadoop sending #0
> org.apache.hadoop.hdfs.protocol.ClientProtocol.msync
> 19/11/28 16:49:13 DEBUG ipc.Client: IPC Client (7967307) connection to
> xx/xx:8020 from hadoop got value #0
> 19/11/28 16:49:13 INFO retry.RetryInvocationHandler:
> org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.ipc.StandbyException):
> Operation category WRITE is not supported in state standby. Visit
> https://s.apache.org/sbnn-error
> at
> org.apache.hadoop.hdfs.server.namenode.ha.StandbyState.checkOperation(StandbyState.java:98)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNode$NameNodeHAContext.checkOperation(NameNode.java:2018)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkOperation(FSNamesystem.java:1461)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.msync(NameNodeRpcServer.java:1384)
> at
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.msync(ClientNamenodeProtocolServerSideTranslatorPB.java:1907)
> at
> org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:531)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1070)
> at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:928)
> at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:863)
> 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:1903)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2815)
> , while invoking $Proxy4.getFileInfo over [xx/xx:8020,xx/xx:8020,xx/xx:8020]
> after 1 failover attempts. Trying to failover after sleeping for 1103ms.
> 19/11/28 16:49:14 DEBUG retry.RetryUtils: multipleLinearRandomRetry = null
> 19/11/28 16:49:14 DEBUG ipc.Client: getting client out of cache:
> org.apache.hadoop.ipc.Client@69e1dd28
> 19/11/28 16:49:14 DEBUG ipc.Client: The ping interval is 60000 ms.
> 19/11/28 16:49:14 DEBUG ipc.Client: Connecting to xx/xx:8020
> 19/11/28 16:49:14 DEBUG ipc.Client: IPC Client (7967307) connection to
> xx/xx:8020 from hadoop: starting, having connections 3
> 19/11/28 16:49:14 DEBUG ipc.Client: IPC Client (7967307) connection to
> xx/xx:8020 from hadoop sending #0
> org.apache.hadoop.hdfs.protocol.ClientProtocol.msync
> 19/11/28 16:49:14 DEBUG ipc.Client: IPC Client (7967307) connection to
> xx/xx:8020 from hadoop got value #0
> 19/11/28 16:49:14 DEBUG ipc.ProtobufRpcEngine: Call: msync took 2ms
> ...
> 11/28 16:49:14 DEBUG ipc.ProtobufRpcEngine: Call: getListing took 1ms
> 19/11/28 16:49:14 DEBUG ha.ObserverReadProxyProvider: Invocation of
> getListing using xx/xx:8020 was successful
> Found 46 items
> {code}
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