Xiaoyu Yao created HDFS-9210:
--------------------------------

             Summary: Fix some misuse of %n in VolumeScanner#printStats
                 Key: HDFS-9210
                 URL: https://issues.apache.org/jira/browse/HDFS-9210
             Project: Hadoop HDFS
          Issue Type: Bug
            Reporter: Xiaoyu Yao
            Assignee: Xiaoyu Yao
            Priority: Minor


Found 2 extra "%n" in the VolumeScanner report and lines not well formatted  
below. This JIRA is opened to fix the format issue.

{code}

Block scanner information for volume DS-93fb2503-de00-4f98-a8bc-c2bc13b8f0f7 
with base path /hadoop/hdfs/data%nBytes verified in last hour       :           
                                      136882014
Blocks scanned in current period  :                                             
            5
Blocks scanned since restart      :                                             
            5
Block pool scans since restart    :                                             
            0
Block scan errors since restart   :                                             
            0
Hours until next block pool scan  :                                             
      476.000
Last block scanned                : 
BP-1792969149-192.168.70.101-1444150984999:blk_1073742088_1274
More blocks to scan in period     :                                             
        false
%n
{code}




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