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https://issues.apache.org/jira/browse/HDFS-15027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17013954#comment-17013954
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Xudong Cao commented on HDFS-15027:
-----------------------------------
[~weichiu] can this patch be merged now?
> Correct target DN's log while balancing.
> ----------------------------------------
>
> Key: HDFS-15027
> URL: https://issues.apache.org/jira/browse/HDFS-15027
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: balancer & mover
> Affects Versions: 3.2.1
> Reporter: Xudong Cao
> Assignee: Xudong Cao
> Priority: Minor
> Attachments: HDFS-15027.000.patch, HDFS-15027.001.patch
>
>
> During HDFS balancing, after the target DN copied a block from the proxy DN,
> it prints a log following the pattern below:
> *Moved BLOCK from BALANCER*
> This is wrong and misleading, maybe we can improve the pattern like:
> *Moved BLOCK complete, copied from PROXY DN, initiated by* *BALANCER*
>
> An example log of target DN during balancing:
> 1. Wrong log printing before jira:
> {code:java}
> 2019-12-04 09:33:19,718 INFO org.apache.hadoop.hdfs.server.datanode.DataNode:
> Moved BP-1426342230-192.168.202.11-1575277482603:blk_1073741889_1065 from
> /192.168.202.13:56322, delHint=54a14a41-0d7c-4487-b4f0-ce2848f86b48{code}
> 2. Correct log printing after jira:
> {code:java}
> 2019-12-12 10:06:34,791 INFO org.apache.hadoop.hdfs.server.datanode.DataNode:
> Moved BP-1360308441-192.168.202.11-1576116241828:blk_1073741872_1048
> complete, copied from /192.168.202.11:9866, initiated by
> /192.168.202.13:53536, delHint=c70406f8-a815-4f6f-bdf0-fd3661bd6920{code}
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