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https://issues.apache.org/jira/browse/HIVE-23201?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17094330#comment-17094330
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Denys Kuzmenko commented on HIVE-23201:
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Pushed HIVE-23201.12.patch to master.
[~mbod] thank you for the patch and [~pvary] for review!
> Improve logging in locking
> --------------------------
>
> Key: HIVE-23201
> URL: https://issues.apache.org/jira/browse/HIVE-23201
> Project: Hive
> Issue Type: Improvement
> Reporter: Marton Bod
> Assignee: Marton Bod
> Priority: Major
> Attachments: HIVE-23201.1.patch, HIVE-23201.1.patch,
> HIVE-23201.10.patch, HIVE-23201.12.patch, HIVE-23201.2.patch,
> HIVE-23201.2.patch, HIVE-23201.3.patch, HIVE-23201.4.patch,
> HIVE-23201.5.patch, HIVE-23201.5.patch, HIVE-23201.5.patch,
> HIVE-23201.5.patch, HIVE-23201.6.patch, HIVE-23201.6.patch,
> HIVE-23201.7.patch, HIVE-23201.8.patch, HIVE-23201.8.patch, HIVE-23201.9.patch
>
>
> Currently it can be quite difficult to troubleshoot issues related to
> locking. To understand why a particular txn gave up after a while on
> acquiring a lock, you have to connect directly to the backend DB, since we
> are not logging right now which exact locks the txn is waiting for.
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