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https://issues.apache.org/jira/browse/HADOOP-8888?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13471078#comment-13471078
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Harsh J commented on HADOOP-8888:
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Am not liking this idea, personally.
We ought to fix bad config references not suppress them. For instance, I'd gone
through a few logs of startup to remove unnecessary warnings regarding
deprecation and what not for HDFS recently, same should be done for this - why
can't that be carried out?
This toggle will make users find them and get more lazier and then someday bite
them. We warn for a reason?
> add the ability to suppress the deprecated warnings when using hadoop cli
> -------------------------------------------------------------------------
>
> Key: HADOOP-8888
> URL: https://issues.apache.org/jira/browse/HADOOP-8888
> Project: Hadoop Common
> Issue Type: Improvement
> Affects Versions: 3.0.0
> Reporter: Arpit Gupta
> Assignee: Arpit Gupta
>
> some this similar to what HADOOP_HOME_WARN_SUPPRESS is used for in branch-1
> May be we can introduce
> HADOOP_DEPRECATED_WARN_SUPPRESS
> which if set to yes will suppress the various warnings that are thrown.
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