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From "Mingliang Liu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-11430) Separate class InnerNode from class NetworkTopology and make it extendable
Date Tue, 21 Feb 2017 23:36:44 GMT

     [ https://issues.apache.org/jira/browse/HDFS-11430?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Mingliang Liu updated HDFS-11430:
       Resolution: Fixed
     Hadoop Flags: Reviewed
    Fix Version/s: 3.0.0-alpha3
           Status: Resolved  (was: Patch Available)

Failing tests are not related.

I have committed this patch to {{trunk}}. Thanks for your contribution [~szetszwo]. Thanks
for your review [~surendrasingh].

> 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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