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https://issues.apache.org/jira/browse/HDFS-5331?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13792326#comment-13792326
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Uma Maheswara Rao G commented on HDFS-5331:
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You are right. Make sense of this change.
+1 on the patch.
> make SnapshotDiff.java to a o.a.h.util.Tool interface implementation
> --------------------------------------------------------------------
>
> Key: HDFS-5331
> URL: https://issues.apache.org/jira/browse/HDFS-5331
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: snapshots
> Affects Versions: 3.0.0, 2.1.1-beta
> Reporter: Vinay
> Assignee: Vinay
> Attachments: HDFS-5331.patch
>
>
> SnapshotDiff.java is a plain class with main() method now.
> Convert it to o.a.h.util.Tool interface implementation for better look and
> usage in tests in future,
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