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https://issues.apache.org/jira/browse/HIVE-16471?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15976095#comment-15976095
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Lefty Leverenz commented on HIVE-16471:
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Doc note: The new waitCompile metric needs to be documented in the wiki for
release 3.0.0.
* [Hive Metrics | https://cwiki.apache.org/confluence/display/Hive/Hive+Metrics]
Added a TODOC3.0 label.
> 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
> Labels: TODOC3.0, metrics
> Fix For: 3.0.0
>
> 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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