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From "Haohui Mai (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9895) Remove all cached configuration from DataNode
Date Thu, 10 Mar 2016 17:26:40 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9895?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15189591#comment-15189591
] 

Haohui Mai commented on HDFS-9895:
----------------------------------

Quick question: how to ensure that different threads have a consistent view on Configuration?


> Remove all cached configuration 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-9895.000.patch
>
>
> Since DataNode inherits ReconfigurableBase with Configured as base class where configuration
is maintained, all cached configurations in DataNode should be removed for brevity and consistency
purpose.



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