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https://issues.apache.org/jira/browse/HDFS-15565?focusedWorklogId=480919&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-480919
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ASF GitHub Bot logged work on HDFS-15565:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 09/Sep/20 16:43
            Start Date: 09/Sep/20 16:43
    Worklog Time Spent: 10m 
      Work Description: sunchao commented on a change in pull request #2292:
URL: https://github.com/apache/hadoop/pull/2292#discussion_r485763717



##########
File path: 
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/balancer/Balancer.java
##########
@@ -705,7 +705,6 @@ static private int doBalance(Collection<URI> namenodes,
     LOG.info("excluded nodes = " + p.getExcludedNodes());
     LOG.info("source nodes = " + p.getSourceNodes());
     checkKeytabAndInit(conf);
-    System.out.println("Time Stamp               Iteration#  Bytes Already 
Moved  Bytes Left To Move  Bytes Being Moved");

Review comment:
       Hmm why you think this is not valid? I thought this is the header line 
for the balancer progress.




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Issue Time Tracking
-------------------

    Worklog Id:     (was: 480919)
    Time Spent: 0.5h  (was: 20m)

> Remove the invalid code in the Balancer#doBalance() method.
> -----------------------------------------------------------
>
>                 Key: HDFS-15565
>                 URL: https://issues.apache.org/jira/browse/HDFS-15565
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: balancer &amp; mover
>            Reporter: jianghua zhu
>            Assignee: jianghua zhu
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.3.0
>
>         Attachments: HDFS-15565.001.patch
>
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> In the Balancer#doBalance() method, an invalid line of code is added, as 
> follows:
>  static private int doBalance(Collection<URI> namenodes,
>  Collection<String> nsIds, final BalancerParameters p, Configuration conf)
>  throws IOException, InterruptedException
> { ... System.out.println("Time Stamp Iteration# Bytes Already Moved Bytes 
> Left To Move Bytes Being Moved"); ... }
>  
> I think it was originally used for testing.



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