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https://issues.apache.org/jira/browse/HDFS-15781?focusedWorklogId=556557&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-556557
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ASF GitHub Bot logged work on HDFS-15781:
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Author: ASF GitHub Bot
Created on: 23/Feb/21 21:09
Start Date: 23/Feb/21 21:09
Worklog Time Spent: 10m
Work Description: Jing9 commented on pull request #2704:
URL: https://github.com/apache/hadoop/pull/2704#issuecomment-784514331
The current change looks good to me. +1
@LeonGao91 Could you please re-trigger the build to pass the checks?
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Issue Time Tracking
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Worklog Id: (was: 556557)
Time Spent: 1h 20m (was: 1h 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
> Labels: pull-request-available
> Time Spent: 1h 20m
> 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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