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From: "Gautam Gopalakrishnan (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
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Subject: [jira] [Updated] (HDFS-2390) dfsadmin -setBalancerBandwidth doesnot
 validate -ve value
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     [ https://issues.apache.org/jira/browse/HDFS-2390?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gautam Gopalakrishnan updated HDFS-2390:
----------------------------------------
    Status: Patch Available  (was: Open)

> dfsadmin -setBalancerBandwidth doesnot validate -ve value
> ---------------------------------------------------------
>
>                 Key: HDFS-2390
>                 URL: https://issues.apache.org/jira/browse/HDFS-2390
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: balancer & mover
>    Affects Versions: 2.7.1
>            Reporter: Rajit Saha
>            Assignee: Gautam Gopalakrishnan
>         Attachments: HDFS-2390-1.patch, HDFS-2390-2.patch, HDFS-2390-3.patch
>
>
> $ hadoop dfsadmin -setBalancerBandwidth -10000 
> does not throw any message that it is invalid although in DN log we are not getting
> "DNA_BALANCERBANDWIDTHUPDATE". 
> I think it should throw some message that -ve numbers are not valid , as it does
> for decimal numbers or non-numbers like -
> $ hadoop dfsadmin -setBalancerBandwidth 12.34
> NumberFormatException: For input string: "12.34"
> Usage: java DFSAdmin [-setBalancerBandwidth <bandwidth in bytes per second>]



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