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https://issues.apache.org/jira/browse/HDFS-2979?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13219622#comment-13219622
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Eli Collins commented on HDFS-2979:
-----------------------------------
Let's add a wrapper for getNameServiceUris, something like getNSServiceRpcUris
which is akin to getNNServiceRpcAddresses so all the callers don't have to pass
the two keys. Otherwise looks great. Nice find wrt the mutating configuration
issue.
> HA: Balancer should use logical uri for creating failover proxy with HA
> enabled.
> --------------------------------------------------------------------------------
>
> Key: HDFS-2979
> URL: https://issues.apache.org/jira/browse/HDFS-2979
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: balancer, hdfs client
> Affects Versions: HA branch (HDFS-1623)
> Reporter: Uma Maheswara Rao G
> Assignee: Aaron T. Myers
> Attachments: HDFS-2979-HDFS-1623.patch, HDFS-2979-HDFS-1623.patch,
> HDFS-2979.patch
>
>
> Presently Balancer uses real URI for creating the failover proxy.
> Since the failover proxy checks for uri consistency, we should pass logical
> uri for creating failover proxy instead of instead of real URI. Presently
> will work only with default port.
> java.io.IOException: Port 49832 specified in URI hdfs://127.0.0.1:49832 but
> host '127.0.0.1' is a logical (HA) namenode and does not use port information.
> at
> org.apache.hadoop.hdfs.HAUtil.getFailoverProxyProviderClass(HAUtil.java:224)
> at org.apache.hadoop.hdfs.HAUtil.createFailoverProxy(HAUtil.java:247)
> at
> org.apache.hadoop.hdfs.server.balancer.NameNodeConnector.<init>(NameNodeConnector.java:80)
> at
> org.apache.hadoop.hdfs.server.balancer.Balancer.run(Balancer.java:1401)
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