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https://issues.apache.org/jira/browse/HIVE-26023?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17532473#comment-17532473
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Denys Kuzmenko commented on HIVE-26023:
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Merged to master.
[~asinkovits], [~lvegh] thank you for the review!
> Non blocking REPLACE, RENAME COLUMNS
> ------------------------------------
>
> Key: HIVE-26023
> URL: https://issues.apache.org/jira/browse/HIVE-26023
> Project: Hive
> Issue Type: Task
> Reporter: Denys Kuzmenko
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1h
> Remaining Estimate: 0h
>
> Modify the REPLACE/RENAME COLUMNS operation to not acquire EXCLUSIVE lock
> limiting the system concurrency.
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