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https://issues.apache.org/jira/browse/HIVE-16471?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15975697#comment-15975697
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Xuefu Zhang commented on HIVE-16471:
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+1
> Add metrics for "waiting compilation time"
> ------------------------------------------
>
> Key: HIVE-16471
> URL: https://issues.apache.org/jira/browse/HIVE-16471
> Project: Hive
> Issue Type: Bug
> Reporter: Chao Sun
> Assignee: Chao Sun
> Attachments: HIVE-16471.1.patch, wait_compile.png
>
>
> When parallel compilation is off, there could be multiple queries waiting on
> the compilation lock. Currently we have metrics for the # of waiting queries,
> but it's good to also track the average/min/max waiting time, etc.
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