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https://issues.apache.org/jira/browse/HDFS-9895?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15491812#comment-15491812
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Xiaobing Zhou commented on HDFS-9895:
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Thank you [~arpiagariu] for review. v002 is posted. It changed dn member of
DNConf as type of Configurable, since only Configurable#getConf is called.
> Remove unnecessary conf cache from DataNode
> -------------------------------------------
>
> Key: HDFS-9895
> URL: https://issues.apache.org/jira/browse/HDFS-9895
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode
> Reporter: Xiaobing Zhou
> Assignee: Xiaobing Zhou
> Attachments: HDFS-9895-HDFS-9000.002.patch, HDFS-9895.000.patch,
> HDFS-9895.001.patch
>
>
> Since DataNode inherits ReconfigurableBase with Configured as base class
> where configuration is maintained, DataNode#conf should be removed for the
> purpose of brevity.
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