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From "Tsz Wo Nicholas Sze (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-9371) Code cleanup for DatanodeManager
Date Fri, 04 Mar 2016 02:49:40 GMT

     [ https://issues.apache.org/jira/browse/HDFS-9371?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tsz Wo Nicholas Sze updated HDFS-9371:
--------------------------------------
    Component/s: namenode

> Code cleanup for DatanodeManager
> --------------------------------
>
>                 Key: HDFS-9371
>                 URL: https://issues.apache.org/jira/browse/HDFS-9371
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: namenode
>            Reporter: Jing Zhao
>            Assignee: Jing Zhao
>             Fix For: 2.9.0
>
>         Attachments: HDFS-9371.000.patch, HDFS-9371.001.patch, HDFS-9371.002.patch, HDFS-9371.003.patch,
HDFS-9371.004.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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