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https://issues.apache.org/jira/browse/HIVE-19838?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sergey Shelukhin updated HIVE-19838:
------------------------------------
Resolution: Fixed
Fix Version/s: 4.0.0
3.1.0
Status: Resolved (was: Patch Available)
Committed to branches; the last test run was clean. Thanks for the review!
> simplify & fix ColumnizedDeleteEventRegistry load loop
> ------------------------------------------------------
>
> Key: HIVE-19838
> URL: https://issues.apache.org/jira/browse/HIVE-19838
> Project: Hive
> Issue Type: Bug
> Reporter: Sergey Shelukhin
> Assignee: Sergey Shelukhin
> Priority: Major
> Fix For: 3.1.0, 4.0.0
>
> Attachments: HIVE-19838.01.patch, HIVE-19838.02.patch,
> HIVE-19838.patch
>
>
> Apparently sometimes the delete count in ACID stats doesn't match what merger
> actually returns.
> It could be due to some deltas having duplicate deletes from parallel queries
> (I guess?) that are being squashed by the merger or some other reasons beyond
> my mortal comprehension.
> The loop assumes the merger will return the exact number of records, so it
> fails with array index exception. Also, it could actually be done in a single
> loop.
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