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https://issues.apache.org/jira/browse/HDFS-6583?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Haohui Mai updated HDFS-6583:
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Attachment: HDFS-6583.000.patch
> Remove clientNode in FileUnderConstructionFeature
> -------------------------------------------------
>
> Key: HDFS-6583
> URL: https://issues.apache.org/jira/browse/HDFS-6583
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Haohui Mai
> Attachments: HDFS-6583.000.patch
>
>
> {{FileUnderConstructionFeature}} contains two fields {{clientMachine}} and
> {{clientNode}}. {{clientNode}} keeps a reference of a {{DatanodeDescriptor}}.
> The reference be recomputed by consulting {{DatanodeManager}}.
> This jira proposes to remove {{clientNode}} in the
> {{FileUnderConstructionFeature}} to simplify the code and to reduce overhead.
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