[jira] [Commented] (HDFS-13897) DiskBalancer: for invalid configurations print WARN message in console output while executing the Diskbalaner commands.

["Anu Engineer (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HDFS-13897?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16606041#comment-16606041 ] 

Anu Engineer commented on HDFS-13897:
-------------------------------------

very good suggestion, if one of you care to post a patch, I will review and commit it.

> DiskBalancer: for invalid configurations print WARN message in console output while executing the Diskbalaner commands.
> -----------------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-13897
>                 URL: https://issues.apache.org/jira/browse/HDFS-13897
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: diskbalancer
>            Reporter: Harshakiran Reddy
>            Assignee: Ranith Sardar
>            Priority: Minor
>
> {{Scenario:-}}
> 1. configure the invalid value for any disk balancer configurations and restart the Datanode
> 2. Run the disk balancer commands
> {{Actual output:-}}
> it's continue with default configurations
> {{Excepted output:-}} 
> it will print WARN message in console like *configured invalid value and taking the default value for this configuration* and that time user/customer knows our configurations are not effected to current disk balancer otherwise he will think it taking their configurations.



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