[jira] [Commented] (KYLIN-2721) Introduce a new metrics framework based on yammer metrics

["liyang (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KYLIN-2721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16088929#comment-16088929 ] 

liyang commented on KYLIN-2721:
-------------------------------

Great to see this new initiative regarding metrics. I have a few questions.

- Kylin is already using {{org.apache.hadoop.metrics2}} in {{QueryMetrics}}. How necessary moving to a new metrics framework?
- Assume we agree on moving to the new metrics framework, we will also refactor the current {{QueryMetrics}} such that Kylin don't end up with two separate metrics framework, right?
- Regarding collecting system metrics, like CPU, Memory etc, there are plenty of tools already. I don't think Kylin should re-invent the wheel and do it again. Does KYLIN-2724 mean something else, like integrate with those existing tools?
- Could you elaborate more on the system cube?

Thanks!

> Introduce a new metrics framework based on yammer metrics
> ---------------------------------------------------------
>
>                 Key: KYLIN-2721
>                 URL: https://issues.apache.org/jira/browse/KYLIN-2721
>             Project: Kylin
>          Issue Type: New Feature
>    Affects Versions: v2.0.0
>            Reporter: Zhong Yanghong
>            Assignee: Zhong Yanghong
>




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