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https://issues.apache.org/jira/browse/HDFS-14017?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Konstantin Shvachko updated HDFS-14017:
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Summary: ObserverReadProxyProviderWithIPFailover should work with HA
configuration (was: ObserverReadProxyProviderWithIPFailover does not quite
work)
> ObserverReadProxyProviderWithIPFailover should work with HA configuration
> -------------------------------------------------------------------------
>
> 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
> Priority: Major
>
> 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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