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https://issues.apache.org/jira/browse/HDFS-5?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Harsh J resolved HDFS-5.
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Resolution: Cannot Reproduce
The mapping is done pretty much properly as far as I've noticed. With caching
enabled though, one needs to restart the NN to get it in proper effect.
> Check that network topology is updated when new data-nodes are joining the
> cluster
> ----------------------------------------------------------------------------------
>
> Key: HDFS-5
> URL: https://issues.apache.org/jira/browse/HDFS-5
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Konstantin Shvachko
>
> There is a suspicion that network topology is not updated if new racks are
> added to the cluster. We should investigate and either confirm or rule out
> this.
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