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https://issues.apache.org/jira/browse/HDFS-12257?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16182991#comment-16182991
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Andrew Wang commented on HDFS-12257:
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DFS and DFSClient are private APIs, so we don't need to worry about
user-visible deprecation. However, we still want to support backwards
compatibility (old client -> new server). This can be as simple as adding a new
paginated RPC method, though more complex schemes are possible if you want to
extend the existing RPC call.
> Expose getSnapshottableDirListing as a public API in HdfsAdmin
> --------------------------------------------------------------
>
> Key: HDFS-12257
> URL: https://issues.apache.org/jira/browse/HDFS-12257
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: snapshots
> Affects Versions: 2.6.5
> Reporter: Andrew Wang
> Assignee: Huafeng Wang
> Attachments: HDFS-12257.001.patch, HDFS-12257.002.patch
>
>
> Found at HIVE-16294. We have a CLI API for listing snapshottable dirs, but no
> programmatic API. Other snapshot APIs are exposed in HdfsAdmin, I think we
> should expose listing there as well.
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