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https://issues.apache.org/jira/browse/HIVE-18659?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16361457#comment-16361457
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Prasanth Jayachandran commented on HIVE-18659:
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[~ekoifman] Looks like there are 2 versioning methods now. I am seeing another
side file (_orc_acid_version) with version info. Why not use that? Reading
version from side file is cheaper (read a single int from side file instead of
parsing/reading from footer) isn't it?
> add acid version marker to acid files
> -------------------------------------
>
> Key: HIVE-18659
> URL: https://issues.apache.org/jira/browse/HIVE-18659
> Project: Hive
> Issue Type: Bug
> Components: Transactions
> Reporter: Eugene Koifman
> Assignee: Eugene Koifman
> Priority: Major
> Attachments: HIVE-18659.01.patch
>
>
> add acid version marker to acid files so that we know which version of acid
> wrote the file
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