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https://issues.apache.org/jira/browse/HIVE-3897?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Namit Jain updated HIVE-3897:
-----------------------------
Resolution: Fixed
Fix Version/s: 0.11.0
Hadoop Flags: Reviewed
Status: Resolved (was: Patch Available)
Committed. Thanks Kevin
> Add a way to get the uncompressed/compressed sizes of columns from an RC File
> -----------------------------------------------------------------------------
>
> Key: HIVE-3897
> URL: https://issues.apache.org/jira/browse/HIVE-3897
> Project: Hive
> Issue Type: New Feature
> Affects Versions: 0.11.0
> Reporter: Kevin Wilfong
> Assignee: Kevin Wilfong
> Fix For: 0.11.0
>
> Attachments: HIVE-3897.1.patch.txt
>
>
> The uncompressed, compressed size of each column of an RCFile is stored in
> the header of an RCFile block. Currently, we have no convenient way to get
> at this data. This would be useful for identifying where RCFile is doing a
> poor job of compression, so that we can better focus our efforts.
> RCFileCat seems like a logical tool to extend to add this.
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