Daryn Sharp created HDFS-6401:
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Summary: 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
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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