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From "dhruba borthakur (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HDFS-1540) Make Datanode handle errors to namenode.register call more elegantly
Date Thu, 16 Dec 2010 06:09:01 GMT

     [ https://issues.apache.org/jira/browse/HDFS-1540?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

dhruba borthakur updated HDFS-1540:
-----------------------------------

    Attachment: datanodeException1.txt

If the namenode.register calls throws a UnregisteredNodeException, DisallowedDatanodeException
or a IncorrectVersionException then bail out, otherwise continue to retry the register call
over and over again.


> Make Datanode handle errors to namenode.register call more elegantly
> --------------------------------------------------------------------
>
>                 Key: HDFS-1540
>                 URL: https://issues.apache.org/jira/browse/HDFS-1540
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: dhruba borthakur
>            Assignee: dhruba borthakur
>         Attachments: datanodeException1.txt
>
>
> When a datanode receives a "Connection reset by peer" from the namenode.register(), it
exits. This causes many datanodes to die.

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