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https://issues.apache.org/jira/browse/HDFS-15781?focusedWorklogId=552844&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-552844
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ASF GitHub Bot logged work on HDFS-15781:
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Author: ASF GitHub Bot
Created on: 16/Feb/21 07:46
Start Date: 16/Feb/21 07:46
Worklog Time Spent: 10m
Work Description: LeonGao91 opened a new pull request #2704:
URL: https://github.com/apache/hadoop/pull/2704
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Issue Time Tracking
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Worklog Id: (was: 552844)
Remaining Estimate: 0h
Time Spent: 10m
> Add metrics for how blocks are moved in replaceBlock
> ----------------------------------------------------
>
> Key: HDFS-15781
> URL: https://issues.apache.org/jira/browse/HDFS-15781
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode
> Reporter: Leon Gao
> Assignee: Leon Gao
> Priority: Minor
> Time Spent: 10m
> Remaining Estimate: 0h
>
> We can add some metrics for to track how the blocks are being moved, to get
> a sense of the locality of movements.
> * How many blocks copied to local host?
> * How many blocks moved to local disk thru hardlink?
> * How many blocks are copied out of the host
>
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