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Posted to hdfs-dev@hadoop.apache.org by "Íñigo Goiri (JIRA)" <ji...@apache.org> on 2018/01/31 23:24:00 UTC

[jira] [Created] (HDFS-13098) RBF: Datanodes interacting with Routers

Íñigo Goiri created HDFS-13098:
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             Summary: RBF: Datanodes interacting with Routers
                 Key: HDFS-13098
                 URL: https://issues.apache.org/jira/browse/HDFS-13098
             Project: Hadoop HDFS
          Issue Type: Sub-task
            Reporter: Íñigo Goiri


Datanodes talk to particular Namenodes. We could use the Router infrastructure for the Datanodes to register/heartbeating into them and the Routers would forward this to particular Namenodes. This would make the assignment of Datanodes to subclusters potentially more dynamic.

The implementation would potentially include:
* Router to implement part of DatanodeProtocol
* Forwarding DN messages into Routers
* Policies to assign datanodes to subclusters
* Datanodes to make blockpool configuration dynamic



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