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From "Manoj Govindassamy (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-9388) Refactor decommission related code to support maintenance state for datanodes
Date Wed, 28 Jun 2017 02:04:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-9388?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Manoj Govindassamy updated HDFS-9388:
-------------------------------------
    Attachment: HDFS-9388.01.patch

[~mingma],
  {{DatanodeAdminManager}} sounds good to me. This goes well with the related class {{DatanodeAdminProperties}}
which is used for handling all DataNode admin related configurations like decommission/maintenance/upgrade-domain.
Attached v01 patch DecommissionManager and their callers refactored. Can you please take a
look?


> Refactor decommission related code to support maintenance state for datanodes
> -----------------------------------------------------------------------------
>
>                 Key: HDFS-9388
>                 URL: https://issues.apache.org/jira/browse/HDFS-9388
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Ming Ma
>            Assignee: Manoj Govindassamy
>         Attachments: HDFS-9388.01.patch
>
>
> Lots of code can be shared between the existing decommission functionality and to-be-added
maintenance state support for datanodes. To make it easier to add maintenance state support,
let us first modify the existing code to make it more general.



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