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https://issues.apache.org/jira/browse/HDFS-8073?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Walter Su updated HDFS-8073:
----------------------------
    Description: We want to implement a placement policy( eg. HDFS-7891) based 
on default policy.  It'll easier if we could split 
BlockPlacementPolicyDefault.chooseTarget(..).  (was: We want to implement a 
placement policy( eg. HDFS-7891) based on default policy. )

> Split BlockPlacementPolicyDefault.chooseTarget(..) so it can be easily 
> overrided.
> ---------------------------------------------------------------------------------
>
>                 Key: HDFS-8073
>                 URL: https://issues.apache.org/jira/browse/HDFS-8073
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Walter Su
>            Assignee: Walter Su
>            Priority: Trivial
>
> We want to implement a placement policy( eg. HDFS-7891) based on default 
> policy.  It'll easier if we could split 
> BlockPlacementPolicyDefault.chooseTarget(..).



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