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Posted to issues@flink.apache.org by "aitozi (JIRA)" <ji...@apache.org> on 2017/09/13 01:35:00 UTC

[jira] [Commented] (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:comment-tabpanel&focusedCommentId=16164008#comment-16164008 ] 

aitozi commented on FLINK-7611:
-------------------------------

i have add the pr,  https://github.com/apache/flink/pull/4665 ,  anyone care about this issue can comment on this,  thank you .

> 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
>            Priority: Minor
>              Labels: patch
>   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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