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Posted to issues@flink.apache.org by "Chesnay Schepler (JIRA)" <ji...@apache.org> on 2017/10/25 12:25:01 UTC

[jira] [Assigned] (FLINK-7611) add metrics to measure the data drop by watermark

     [ https://issues.apache.org/jira/browse/FLINK-7611?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chesnay Schepler reassigned FLINK-7611:
---------------------------------------

    Assignee: aitozi

> add metrics to measure the data drop by watermark
> -------------------------------------------------
>
>                 Key: FLINK-7611
>                 URL: https://issues.apache.org/jira/browse/FLINK-7611
>             Project: Flink
>          Issue Type: Improvement
>          Components: Metrics
>    Affects Versions: 1.2.0, 1.3.0
>            Reporter: aitozi
>            Assignee: aitozi
>            Priority: Minor
>             Fix For: 1.4.0
>
>   Original Estimate: 168h
>  Remaining Estimate: 168h
>
> when use the window operator with event time, the data come after the window.endtime + allowLatency, the data will be droped, but there is no existed metrics to measure the num of dropped data, and this value will help to set the correct allowLatency



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