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https://issues.apache.org/jira/browse/HIVE-13813?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15294491#comment-15294491
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Xuefu Zhang commented on HIVE-13813:
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Patch looks good to me, but it's good if [~jxiang] can also take a look.
> Add Metrics for the number of Hive operations waiting for compile
> -----------------------------------------------------------------
>
> Key: HIVE-13813
> URL: https://issues.apache.org/jira/browse/HIVE-13813
> Project: Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 1.3.0, 2.0.0
> Reporter: Chao Sun
> Assignee: Chao Sun
> Attachments: HIVE-13183.patch
>
>
> Currently, without {{hive.driver.parallel.compilation}} introduced in
> HIVE-4239, only one SQL operation can enter the compilation block per HS2
> instance, and all the rest will be blocked. We should add metrics info for
> the number of operations that are blocked.
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