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https://issues.apache.org/jira/browse/HDFS-9202?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14945427#comment-14945427
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Mingliang Liu commented on HDFS-9202:
-------------------------------------

Thanks for filing this. The [HDFS-8740] was not aware of the deprecated keys. I 
agree with [~vinayrpet] that we may need to add deprecated keys in client 
module that are related only to clients.

As the {{HdfsConfigurationLoader}} is a replacement of {{HdfsConfiguration}} to 
load default resources, I think we can add the deprecated keys there, following 
the paradigms in {{HdfsConfiguration}}. {{HdfsConfiguration}} itself should not 
be moved to {{hadoop-hdfs-client}} module, IMHO, as it adds deprecated keys in 
server side.

> Deprecation cases are not handled in hadoop-hdfs-client#DistributedFileSystem
> -----------------------------------------------------------------------------
>
>                 Key: HDFS-9202
>                 URL: https://issues.apache.org/jira/browse/HDFS-9202
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs-client
>            Reporter: Bibin A Chundatt
>            Assignee: Vinayakumar B
>            Priority: Critical
>
> Deprecation keys are not taken case in case  
> hadoop-hdfs-client#DistributedFileSystem.
> Client side deprecated keys are not usable.



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