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https://issues.apache.org/jira/browse/HDFS-8582?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lei (Eddy) Xu updated HDFS-8582:
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Attachment: HDFS-8582.004.patch
Thanks for these suggestions, [~cmccabe]. Here is the updated patch.
> Reduce failure messages when running datanode reconfiguration
> -------------------------------------------------------------
>
> Key: HDFS-8582
> URL: https://issues.apache.org/jira/browse/HDFS-8582
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: HDFS
> Affects Versions: 2.7.0
> Reporter: Lei (Eddy) Xu
> Assignee: Lei (Eddy) Xu
> Priority: Minor
> Attachments: HDFS-8582.000.patch, HDFS-8582.001.patch,
> HDFS-8582.002.patch, HDFS-8582.003.patch, HDFS-8582.004.patch
>
>
> When running a DN reconfig to hotswap some drives, it spits out this output:
> {noformat}
> $ hdfs dfsadmin -reconfig datanode localhost:9023 status
> 15/06/09 14:58:10 WARN util.NativeCodeLoader: Unable to load native-hadoop
> library for your platform... using builtin-java classes where applicable
> Reconfiguring status for DataNode[localhost:9023]: started at Tue Jun 09
> 14:57:37 PDT 2015 and finished at Tue Jun 09 14:57:56 PDT 2015.
> FAILED: Change property
> rpc.engine.org.apache.hadoop.hdfs.protocolPB.ClientDatanodeProtocolPB
> From: "org.apache.hadoop.ipc.ProtobufRpcEngine"
> To: ""
> Error: Property
> rpc.engine.org.apache.hadoop.hdfs.protocolPB.ClientDatanodeProtocolPB is not
> reconfigurable.
> FAILED: Change property mapreduce.client.genericoptionsparser.used
> From: "true"
> To: ""
> Error: Property mapreduce.client.genericoptionsparser.used is not
> reconfigurable.
> FAILED: Change property rpc.engine.org.apache.hadoop.ipc.ProtocolMetaInfoPB
> From: "org.apache.hadoop.ipc.ProtobufRpcEngine"
> To: ""
> Error: Property rpc.engine.org.apache.hadoop.ipc.ProtocolMetaInfoPB
> is not reconfigurable.
> SUCCESS: Change property dfs.datanode.data.dir
> From: "file:///data/1/user/dfs"
> To: "file:///data/1/user/dfs,file:///data/2/user/dfs"
> FAILED: Change property dfs.datanode.startup
> From: "REGULAR"
> To: ""
> Error: Property dfs.datanode.startup is not reconfigurable.
> FAILED: Change property
> rpc.engine.org.apache.hadoop.hdfs.protocolPB.InterDatanodeProtocolPB
> From: "org.apache.hadoop.ipc.ProtobufRpcEngine"
> To: ""
> Error: Property
> rpc.engine.org.apache.hadoop.hdfs.protocolPB.InterDatanodeProtocolPB is not
> reconfigurable.
> FAILED: Change property
> rpc.engine.org.apache.hadoop.hdfs.protocolPB.DatanodeProtocolPB
> From: "org.apache.hadoop.ipc.ProtobufRpcEngine"
> To: ""
> Error: Property
> rpc.engine.org.apache.hadoop.hdfs.protocolPB.DatanodeProtocolPB is not
> reconfigurable.
> FAILED: Change property
> rpc.engine.org.apache.hadoop.tracing.TraceAdminProtocolPB
> From: "org.apache.hadoop.ipc.ProtobufRpcEngine"
> To: ""
> Error: Property
> rpc.engine.org.apache.hadoop.tracing.TraceAdminProtocolPB is not
> reconfigurable.
> {noformat}
> These failed messages are spurious and should not be shown.
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