[jira] [Commented] (KYLIN-1908) Collect Metrics to JMX

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

    [ https://issues.apache.org/jira/browse/KYLIN-1908?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15402527#comment-15402527 ] 

Raghu Udiyar commented on KYLIN-1908:
-------------------------------------

Seems like Cadahale was being used in Kylin at some point : https://github.com/KylinOLAP/Kylin/tree/master/server/src/main/java/org/apache/kylin/rest/metrics

But this has been dropped now? Is there no interface currently to get metrics?

> Collect Metrics to JMX
> ----------------------
>
>                 Key: KYLIN-1908
>                 URL: https://issues.apache.org/jira/browse/KYLIN-1908
>             Project: Kylin
>          Issue Type: New Feature
>          Components: Tools, Build and Test
>    Affects Versions: v1.5.2
>            Reporter: kangkaisen
>            Assignee: kangkaisen
>         Attachments: KYLIN-1908.patch, QueryMetrics.java
>
>
> As we all known, some performance metrics is important for enterprise applications. so we should support to collect metrics to JMX in Kylin.
> The method I have done is As shown below:
> 1. use `org.apache.hadoop.metrics2` as the metrics collection framework.
> 2. define MBean Class for the metrics that we need to collect.
> 3. update metrics in right place.
> The questions I have:
> 1. can I depend on `org.apache.hadoop.metrics2` directly?
> 2. how do you think about my method?



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