Chen Liang created HDFS-11430:
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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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