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https://issues.apache.org/jira/browse/HADOOP-6827?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rodrigo Schmidt resolved HADOOP-6827.
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Resolution: Won't Fix
In HDFS-1094, we decided to use the includes file instead of the network
topology to define the groups of nodes in which blocks can be replicated.
> Extend the API of NetworkTopology
> ---------------------------------
>
> Key: HADOOP-6827
> URL: https://issues.apache.org/jira/browse/HADOOP-6827
> Project: Hadoop Common
> Issue Type: New Feature
> Reporter: Rodrigo Schmidt
> Assignee: Rodrigo Schmidt
>
> The current API for NetworkTopology is too restricted (and somehow biased
> towards the default block placement algorithm).
> For instance, it lacks methods to list racks or limit machines within a rack
> which are fundamental for HDFS-1094.
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