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From "Chen Liang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-11430) Separate class InnerNode from class NetworkTopology and make it extendable
Date Sat, 18 Feb 2017 00:28:45 GMT
Chen Liang created HDFS-11430:
---------------------------------

             Summary: Separate class InnerNode from class NetworkTopology and make it extendable
                 Key: HDFS-11430
                 URL: https://issues.apache.org/jira/browse/HDFS-11430
             Project: Hadoop HDFS
          Issue Type: Sub-task
            Reporter: Chen Liang
            Assignee: Tsz Wo Nicholas Sze


The approach we will take in HDFS-11419 is to annotate topology's inner node with more information,
such that it chooses a subtree that meets storage type requirement. However, {{InnerNode}}
is not specific to HDFS, so our change should affect other components using this class.

This JIRA separates {{InnerNode}} out of {{NetworkTopology}} and makes it extendable. Therefore
HDFS can have it's own customized inner node class, while other services can still have inner
node as what it is right now.



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