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https://issues.apache.org/jira/browse/HDFS-12784?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rushabh S Shah updated HDFS-12784:
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Component/s: webhdfs
> Webhdfs retry policy for unresolved hosts
> -----------------------------------------
>
> Key: HDFS-12784
> URL: https://issues.apache.org/jira/browse/HDFS-12784
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: webhdfs
> Affects Versions: 2.6.0
> Reporter: Rushabh S Shah
>
> DNs that fail to resolve the NN for the rpc connection will cause the webhdfs
> client to fail w/o retries. The webhdfs retry policy should be modified so it
> will try another DN.
> Webhdfs should use RetryPolicies.retryByRemoteException in addition to the
> network FailoverOnNetworkExceptionRetry policy. The NameNodeProxies check for
> a resolved address should throw a distinct exception (like
> UnknownHostException) for the remote ex policy to catch.
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