Chen Liang created HDFS-14017:
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Summary: ObserverReadProxyProviderWithIPFailover does not quite
work
Key: HDFS-14017
URL: https://issues.apache.org/jira/browse/HDFS-14017
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: Chen Liang
Assignee: Chen Liang
Currently {{ObserverReadProxyProviderWithIPFailover}} extends
{{ObserverReadProxyProvider}}, and the only difference is changing the proxy
factory to use {{IPFailoverProxyProvider}}. However this is not enough because
when calling constructor of {{ObserverReadProxyProvider}} in super(...), the
follow line:
{code}
nameNodeProxies = getProxyAddresses(uri,
HdfsClientConfigKeys.DFS_NAMENODE_RPC_ADDRESS_KEY);
{code}
will try to resolve the all configured NN addresses to do configured failover.
But in the case of IPFailover, this does not really apply.
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