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https://issues.apache.org/jira/browse/HIVE-16294?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16112497#comment-16112497
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Peter Vary commented on HIVE-16294:
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There is a non public API to find out, if a directory is snapshottable or not:
- DFSClient.getSnapshottableDirListing(), or
- DistributedFileSystem.getSnapshottableDirListing())
IMO, here is how we should handle this:
- Create a Hadoop jira for requesting a public API.
- Until the API is available it is enough to check if the fs is an instance of
DistributedFileSystem, and the filename is ".snapshot"
- Add a comment to remove this code, when the API is available.
But I would like to know how the more experienced guys think about this.
What do you think about this:[~aihuaxu], [~andrew.wang]?
Thanks,
Peter
> Support snapshot for truncate table
> -----------------------------------
>
> Key: HIVE-16294
> URL: https://issues.apache.org/jira/browse/HIVE-16294
> Project: Hive
> Issue Type: Sub-task
> Components: Query Processor
> Reporter: Vihang Karajgaonkar
> Assignee: Barna Zsombor Klara
> Attachments: HIVE-16294.01.patch, HIVE-16294.02.patch
>
>
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