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From "Jing Zhao (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9371) Code cleanup for DatanodeManager
Date Fri, 06 Nov 2015 00:35:27 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9371?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14992785#comment-14992785
] 

Jing Zhao commented on HDFS-9371:
---------------------------------

Currently I think we can do this cleanup in trunk. I will update the patch accordingly.

> Code cleanup for DatanodeManager
> --------------------------------
>
>                 Key: HDFS-9371
>                 URL: https://issues.apache.org/jira/browse/HDFS-9371
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Jing Zhao
>            Assignee: Jing Zhao
>         Attachments: HDFS-9371.000.patch, HDFS-9371.001.patch
>
>
> Some code cleanup for DatanodeManager. The main changes include:
> # make the synchronization of {{datanodeMap}} and {{datanodesSoftwareVersions}} consistent
> # remove unnecessary lock in {{handleHeartbeat}}



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