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From "Chao Sun (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-16471) Add metrics for "waiting compilation time"
Date Wed, 19 Apr 2017 17:18:41 GMT

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

Chao Sun updated HIVE-16471:
----------------------------
    Attachment:     (was: HIVE-16471.1.patch)

> 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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