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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-11430) Separate class InnerNode from class NetworkTopology and make it extendable
Date Wed, 22 Feb 2017 00:38:44 GMT

    [ https://issues.apache.org/jira/browse/HDFS-11430?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15877105#comment-15877105

Hudson commented on HDFS-11430:

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #11284 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/11284/])
HDFS-11430. Separate class InnerNode from class NetworkTopology and make (liuml07: rev 003ae00693d079799c4dcf02705379bcf34b8c79)
* (edit) hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/NetworkTopologyWithNodeGroup.java
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/net/TestNetworkTopology.java
* (edit) hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/NetworkTopology.java
* (add) hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/InnerNodeImpl.java
* (add) hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/InnerNode.java

> 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
>          Components: namenode
>            Reporter: Chen Liang
>            Assignee: Tsz Wo Nicholas Sze
>             Fix For: 3.0.0-alpha3
>         Attachments: h11430_20170217.patch, h11430_20170218.patch
> 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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