[jira] [Assigned] (KAFKA-16811) Punctuate Ratio metric almost impossible to track

["Matthias J. Sax (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-16811?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matthias J. Sax reassigned KAFKA-16811:
---------------------------------------

    Assignee: Lucy Liu

> Punctuate Ratio metric almost impossible to track
> -------------------------------------------------
>
>                 Key: KAFKA-16811
>                 URL: https://issues.apache.org/jira/browse/KAFKA-16811
>             Project: Kafka
>          Issue Type: Bug
>          Components: streams
>    Affects Versions: 3.7.0
>            Reporter: Sebastien Viale
>            Assignee: Lucy Liu
>            Priority: Minor
>          Time Spent: 48h
>  Remaining Estimate: 0h
>
> The Punctuate ratio metric is returned after the last record of the poll loop. It is recomputed in every poll loop.
> After a puntuate, the value is close to 1, but there is little chance that metric is sampled at this time. 
> So its value is almost always 0.   
> A solution could be to apply a kind of "sliding window" to it and report the value for the last x seconds.



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