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https://issues.apache.org/jira/browse/HDFS-8708?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14994405#comment-14994405
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Kihwal Lee commented on HDFS-8708:
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bq. The default value is false for HA. I think it's good enough.
I agree. Besides, there are cases where we want this to be on and work with HA.
E.g. the IP address change detection code in ipc Client does not work, if the
exception bubbles upto HA retey logic. It only works when retry is done within
the same Client instance.
> DFSClient should ignore dfs.client.retry.policy.enabled for HA proxies
> ----------------------------------------------------------------------
>
> Key: HDFS-8708
> URL: https://issues.apache.org/jira/browse/HDFS-8708
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Jitendra Nath Pandey
> Assignee: Brahma Reddy Battula
> Priority: Critical
>
> DFSClient should ignore dfs.client.retry.policy.enabled for HA proxies to
> ensure fast failover. Otherwise, dfsclient retries the NN which is no longer
> active and delays the failover.
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