xuzq created HDFS-14543:
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Summary: RBF: RouterRpcClient shouldn't retry when the
remoteException is RetryException
Key: HDFS-14543
URL: https://issues.apache.org/jira/browse/HDFS-14543
Project: Hadoop HDFS
Issue Type: Task
Components: rbf
Reporter: xuzq
Assignee: xuzq
Currently RouterRpcClient will retry when the remote exception is
RetryException.
And it will use one handler to retry 15 times, if the remote exception is
always RetryException.
Although there is no sleep between retries, but it may costs some other
resources.
So, RouterRpcClient show return the RetryException to client if the name node
returns RetryException, and do sleep at client.
After sleep some times, client can request the same Router.
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