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From "Rajit Saha (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-2390) dfsadmin -setBalancerBandwidth doesnot validate -ve value
Date Fri, 30 Sep 2011 18:25:45 GMT
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
    Affects Versions: 0.20.205.0
            Reporter: Rajit Saha


$ 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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