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https://issues.apache.org/jira/browse/HADOOP-17169?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17199576#comment-17199576
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Eric Badger commented on HADOOP-17169:
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bq. I don't think we should go overboard and remove the old config key names. 
This will be highly disruptive for future release adoption. We can mark them as 
deprecated though, and consider removing them in a subsequent major release.

So this was my initial thought as well. But my concern is that we will 
deprecate them now and like many other configs we will just leave them in 
Hadoop forever. At what point is it acceptable to remove them? I suppose we 
could deprecate them in the next release and remove them in the release after 
that so as to have the "well, we gave you warning" argument. But I don't see it 
being any less disruptive to the downstream users. If we're going to remove 
them, it's going to be disruptive. It's whether we want to be disruptive now or 
later. 

> Remove whitelist/blacklist terminology from Hadoop Common
> ---------------------------------------------------------
>
>                 Key: HADOOP-17169
>                 URL: https://issues.apache.org/jira/browse/HADOOP-17169
>             Project: Hadoop Common
>          Issue Type: Sub-task
>            Reporter: Eric Badger
>            Assignee: Eric Badger
>            Priority: Major
>         Attachments: HADOOP-17169.001.patch, HADOOP-17169.002.patch, 
> HADOOP-17169.003.patch
>
>




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