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From "Mingliang Liu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-11008) Add unit test for parsing "-source" parameter in Balancer tool
Date Fri, 14 Oct 2016 05:32:20 GMT

    [ https://issues.apache.org/jira/browse/HDFS-11008?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15574262#comment-15574262
] 

Mingliang Liu commented on HDFS-11008:
--------------------------------------

Testing failures are not related.

> Add unit test for parsing "-source" parameter in Balancer tool
> --------------------------------------------------------------
>
>                 Key: HDFS-11008
>                 URL: https://issues.apache.org/jira/browse/HDFS-11008
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: test, tools
>            Reporter: Mingliang Liu
>            Assignee: Mingliang Liu
>         Attachments: HDFS-11008.000.patch
>
>
> [HDFS-8826] added an option {{-source}} to specify the source node list so that balancer
only selects blocks to move from those nodes. This is very efficient in some cases.
> The unit test of {{-source}} option parsing is missing, for both valid and invalid cases.
This JIRA is to track the effort of adding unit test for that. In fact, we can refactor the
existing code by replacing code that manually creates {{BalancerParameters}} with new code
that explores the {{Balancer$Cli#parse()}}.
> Thanks [~jingzhao] for the initial proposal.



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