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Posted to issues@hive.apache.org by "Chao Sun (JIRA)" <ji...@apache.org> on 2017/04/18 17:30:41 UTC

[jira] [Assigned] (HIVE-16471) Add metrics for "waiting compilation time"

     [ https://issues.apache.org/jira/browse/HIVE-16471?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chao Sun reassigned HIVE-16471:
-------------------------------

    Assignee: Chao Sun

> 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
>
> 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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