Chris Nauroth created HDFS-8510:
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             Summary: Provide different timeout settings for hdfs dfsadmin 
-getDatanodeInfo.
                 Key: HDFS-8510
                 URL: https://issues.apache.org/jira/browse/HDFS-8510
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: tools
            Reporter: Chris Nauroth
            Assignee: Chris Nauroth


During a rolling upgrade, an administrator runs {{hdfs dfsadmin 
-getDatanodeInfo}} to check if a DataNode has stopped.  Currently, this 
operation is subject to the RPC connection retries defined in 
{{ipc.client.connect.max.retries}} and {{ipc.client.connect.retry.interval}}.  
This issue proposes adding separate configuration properties to control the 
retries for this operation.



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