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https://issues.apache.org/jira/browse/HIVE-22555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16983908#comment-16983908
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Mustafa Iman commented on HIVE-22555:
-------------------------------------
The difference between TestOrcFile.testMemoryManagement* tests and the ORC
tests is that hive tests use their own WriterImpl and does its own buffering
because they do "writer.addRow" instead of "writer.addRowBatch".
> Upgrade ORC version to 1.5.8
> ----------------------------
>
> Key: HIVE-22555
> URL: https://issues.apache.org/jira/browse/HIVE-22555
> Project: Hive
> Issue Type: Bug
> Affects Versions: 4.0.0
> Reporter: Mustafa Iman
> Assignee: Mustafa Iman
> Priority: Major
> Labels: pull-request-available
> Attachments: HIVE-22555.patch
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Hive currently depends on ORC 1.5.6. We need 1.5.8 upgrade for
> https://issues.apache.org/jira/browse/HIVE-22499
> ORC-1.5.7 includes https://issues.apache.org/jira/browse/ORC-361 . It causes
> some tests overriding MemoryManager to fail. These need to be addressed while
> upgrading.
>
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