[jira] [Created] (HDFS-16195) Fix log message when choosing storage groups for block movement in balancer

["Preeti (Jira)" <ji...@apache.org>]

Preeti created HDFS-16195:
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             Summary: Fix log message when choosing storage groups for block movement in balancer
                 Key: HDFS-16195
                 URL: https://issues.apache.org/jira/browse/HDFS-16195
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: balancer & mover
            Reporter: Preeti


Correct the log message in line with the logic associated with
moving blocks in chooseStorageGroups() in the balancer. All log lines should indicate from which storage source the blocks are being moved correctly to avoid ambiguity. Right now one of the log lines is incorrect: [https://github.com/apache/hadoop/blob/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/balancer/Balancer.java#L555] which indicates that storage blocks are moved from underUtilized to aboveAvgUtilized nodes, while it is actually the other way around in the code.



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