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From "Ming Ma (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-9005) Provide configuration support for upgrade domain
Date Mon, 28 Mar 2016 15:53:25 GMT

     [ https://issues.apache.org/jira/browse/HDFS-9005?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ming Ma updated HDFS-9005:
--------------------------
    Summary: Provide configuration support for upgrade domain  (was: Provide support for upgrade
domain script)

> Provide configuration support for upgrade domain
> ------------------------------------------------
>
>                 Key: HDFS-9005
>                 URL: https://issues.apache.org/jira/browse/HDFS-9005
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Ming Ma
>            Assignee: Ming Ma
>             Fix For: 3.0.0, 2.8.0
>
>         Attachments: HDFS-9005-2.patch, HDFS-9005-3.patch, HDFS-9005-4.patch, HDFS-9005.patch
>
>
> As part of the upgrade domain feature, we need to provide a mechanism to specify upgrade
domain for each datanode. One way to accomplish that is to allow admins specify an upgrade
domain script that takes DN ip or hostname as input and return the upgrade domain. Then namenode
will use it at run time to set {{DatanodeInfo}}'s upgrade domain string. The configuration
can be something like:
> {noformat}
> <property>
> <name>dfs.namenode.upgrade.domain.script.file.name</name>
> <value>/etc/hadoop/conf/upgrade-domain.sh</value>
> </property>
> {noformat}
> just like topology script, 



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