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Posted to issues@flink.apache.org by "Robert Metzger (JIRA)" <ji...@apache.org> on 2019/06/04 07:42:00 UTC

[jira] [Updated] (FLINK-12680) Add timer type to metric system

     [ https://issues.apache.org/jira/browse/FLINK-12680?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Metzger updated FLINK-12680:
-----------------------------------
    Component/s: Runtime / Metrics

> Add timer type to metric system
> -------------------------------
>
>                 Key: FLINK-12680
>                 URL: https://issues.apache.org/jira/browse/FLINK-12680
>             Project: Flink
>          Issue Type: Improvement
>          Components: Runtime / Metrics
>            Reporter: Piyush Goyal
>            Priority: Major
>
> Currently Flink metric system supports counter, gauge, histogram and meter. For cases which involve measuring the latency of short-term events (such as request latency in the context of a connector), none of these metric types is a good fit. Most metric system supports a timer type which is highly useful in such cases. Timers are useful for measuring short-duration latencies and the frequency of such events. All implementations of {{Timer}} report at least the total time and count of events as separate time series.
> Timer type will be a nice addition to the existing metric types in Flink. We are happy to contribute it if there is agreement on it being a good addition.



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