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https://issues.apache.org/jira/browse/HDFS-2390?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14716516#comment-14716516
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Hudson commented on HDFS-2390:
------------------------------
FAILURE: Integrated in Hadoop-Yarn-trunk-Java8 #315 (See
[https://builds.apache.org/job/Hadoop-Yarn-trunk-Java8/315/])
HDFS-2390. dfsadmin -setBalancerBandwidth does not validate -ve value.
Contributed by Gautam Gopalakrishnan. (harsh: rev
0bf285413f8fcaadbb2d5817fe8090f5fb0d37d9)
*
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/tools/TestDFSAdminWithHA.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/DFSAdmin.java
> dfsadmin -setBalancerBandwidth doesnot validate -ve value
> ---------------------------------------------------------
>
> Key: HDFS-2390
> URL: https://issues.apache.org/jira/browse/HDFS-2390
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: balancer & mover
> Affects Versions: 2.7.1
> Reporter: Rajit Saha
> Assignee: Gautam Gopalakrishnan
> Priority: Minor
> Fix For: 2.8.0
>
> Attachments: HDFS-2390-1.patch, HDFS-2390-2.patch, HDFS-2390-3.patch,
> HDFS-2390-4.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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