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Posted to issues@flink.apache.org by "vinoyang (JIRA)" <ji...@apache.org> on 2019/05/30 02:05:00 UTC

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

    [ https://issues.apache.org/jira/browse/FLINK-12680?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16851459#comment-16851459 ] 

vinoyang commented on FLINK-12680:
----------------------------------

Hi [~pgoyal] thanks for your proposal. I think this suggestion is valuable. There are many metric system support timer type. WDYT? [~Zentol] [~till.rohrmann]

> Add timer type to metric system
> -------------------------------
>
>                 Key: FLINK-12680
>                 URL: https://issues.apache.org/jira/browse/FLINK-12680
>             Project: Flink
>          Issue Type: Improvement
>            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.



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