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https://issues.apache.org/jira/browse/HDFS-9895?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15211055#comment-15211055
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Xiaobing Zhou commented on HDFS-9895:
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Thanks [~cmccabe] for make it clear. It's what I meant.
[~wheat9] when reconfiguration was proposed, consistency has been loosed.
Inconsistency might be seen at some point. If strong consistency is expected,
it's up to reconfiguration logic of the specific conf parameter to ensure that,
e.g. DFS_DATANODE_DATA_DIR_KEY. Thanks.
> Push up DataNode#conf to base class
> -----------------------------------
>
> 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-9895.000.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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