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https://issues.apache.org/jira/browse/HIVE-23032?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17068029#comment-17068029
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Denys Kuzmenko commented on HIVE-23032:
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[~pvary], I am not following why should I have (intLockId - 1)? it's 0 at the
beginning, and after it's being incremented in a loop with (intLockId %
batchSize == 0) check.
> Add batching in Lock generation
> -------------------------------
>
> Key: HIVE-23032
> URL: https://issues.apache.org/jira/browse/HIVE-23032
> Project: Hive
> Issue Type: Improvement
> Components: Locking
> Reporter: Denys Kuzmenko
> Assignee: Denys Kuzmenko
> Priority: Major
> Attachments: HIVE-23032.1.patch, HIVE-23032.2.patch,
> HIVE-23032.3.patch, HIVE-23032.4.patch, HIVE-23032.5.patch,
> HIVE-23032.6.patch, HIVE-23032.7.patch, HIVE-23032.8.patch
>
>
> Replace multi-row insert in Oracle with batching. Performance tests showed
> significant performance improvement after turning batching on.
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