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From "Jing Zhao (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9319) Make DatanodeInfo thread safe
Date Tue, 03 Nov 2015 21:19:27 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9319?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14988148#comment-14988148
] 

Jing Zhao commented on HDFS-9319:
---------------------------------

Thanks for the review, Chris! Totally agree we should also correctly handle data fields like
{{volumeFailures}} and {{volumeFailureSummary}} in DatanodeDescriptor. But in this jira my
original plan is to clean up DatanodeInfo, but handle DatanodeDescriptor in a separate jira
which may still need some more work. So can we leave the changes you suggested there?

> Make DatanodeInfo thread safe
> -----------------------------
>
>                 Key: HDFS-9319
>                 URL: https://issues.apache.org/jira/browse/HDFS-9319
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Jing Zhao
>            Assignee: Jing Zhao
>         Attachments: HDFS-9319.000.patch
>
>
> This jira plans to make DatanodeInfo's internal states independent of external locks.
Note because DatanodeInfo extends DatanodeID, we still need to change DatanodeID as a follow-on
work.



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