[jira] [Commented] (FLINK-4831) Implement a slf4j metric reporter

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

    [ https://issues.apache.org/jira/browse/FLINK-4831?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16135012#comment-16135012 ] 

Sumit Sarin commented on FLINK-4831:
------------------------------------

Hey Chesner,
After going through slf4j and log4j documentation and your past work in progress,
I believe that i do need to have an understanding of metrics in depth. So should i get acquainted with that or am i going in the wrong direction? I am currently unaware about counters, gauges, meters, histograms, etc.

> Implement a slf4j metric reporter
> ---------------------------------
>
>                 Key: FLINK-4831
>                 URL: https://issues.apache.org/jira/browse/FLINK-4831
>             Project: Flink
>          Issue Type: Improvement
>          Components: Metrics
>    Affects Versions: 1.1.2
>            Reporter: Chesnay Schepler
>            Assignee: Sumit Sarin
>            Priority: Minor
>              Labels: easyfix, starter
>
> For debugging purpose it would be very useful to have a log4j metric reporter. If you don't want to setup a metric backend you currently have to rely on JMX, which a) works a bit differently than other reporters (for example it doesn't extend AbstractReporter) and b) makes it a bit tricky to analyze results as metrics are cleaned up once a job finishes.



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