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https://issues.apache.org/jira/browse/FLINK-5998?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15978312#comment-15978312
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ASF GitHub Bot commented on FLINK-5998:
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Github user StephanEwen commented on the issue:
https://github.com/apache/flink/pull/3604
@haohui I think this goes into the right direction, but the
`flink-shaded-hadoop2-1.3.jar` should be in `/lib`, not in `opt`. That way, we
preserve the original behavior (Hadoop dependencies are available by default),
but make it easy to swap/remove the Hadoop dependency.
> Un-fat Hadoop from Flink fat jar
> --------------------------------
>
> Key: FLINK-5998
> URL: https://issues.apache.org/jira/browse/FLINK-5998
> Project: Flink
> Issue Type: Improvement
> Components: Build System
> Reporter: Robert Metzger
> Assignee: Haohui Mai
>
> As a first step towards FLINK-2268, I would suggest to put all hadoop
> dependencies into a jar separate from Flink's fat jar.
> This would allow users to put a custom Hadoop jar in there, or even deploy
> Flink without a Hadoop fat jar at all in environments where Hadoop is
> provided (EMR).
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