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https://issues.apache.org/jira/browse/HDFS-6401?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15282184#comment-15282184
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Sangjin Lee commented on HDFS-6401:
-----------------------------------
There has been no movement on this for a while. We'll need to move it out of
scope for 2.8.0 soon. Let me know if you disagree.
> WebHdfs should always use the network failover policy
> -----------------------------------------------------
>
> Key: HDFS-6401
> URL: https://issues.apache.org/jira/browse/HDFS-6401
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: webhdfs
> Affects Versions: 2.0.0-alpha, 3.0.0-alpha1
> Reporter: Daryn Sharp
> Assignee: Daryn Sharp
> Priority: Critical
>
> Webhdfs only uses the network failover policy if HA is enabled. The policy
> adds retries for exceptions such as connect failures which are always useful.
> The proxy also provides support for standby and retriable exceptions which
> are required for HA IP-based failover because the client does not know if the
> NN is HA capable or not.
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