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https://issues.apache.org/jira/browse/HDFS-9255?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Walter Su updated HDFS-9255:
----------------------------
    Attachment: HDFS-9255.06.patch

bq. One question is: since DataNode#blockRecoveryWorker is not declared as 
final, can we make sure the BPServiceActor thread can always see its non-null 
value when calling getBlockRecoveryWorker?
No. uploaded 06 patch to address that.

> Consolidate block recovery related implementation into a single class
> ---------------------------------------------------------------------
>
>                 Key: HDFS-9255
>                 URL: https://issues.apache.org/jira/browse/HDFS-9255
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: datanode
>            Reporter: Walter Su
>            Assignee: Walter Su
>            Priority: Minor
>         Attachments: HDFS-9255.01.patch, HDFS-9255.02.patch, 
> HDFS-9255.03.patch, HDFS-9255.04.patch, HDFS-9255.05.patch, HDFS-9255.06.patch
>
>




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