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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-4812) Report Watermark metrics in all operators
Date Wed, 29 Nov 2017 10:28:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-4812?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16270553#comment-16270553
] 

ASF GitHub Bot commented on FLINK-4812:
---------------------------------------

Github user aljoscha commented on the issue:

    https://github.com/apache/flink/pull/5092
  
    The change looks good, but I would like the metrics to be called `currentInputWatermark`
and `currentOutputWatermark`. We will likely have that distinction in more places in the future
and @zentol pointed out to me that the `AsyncWaitOperator` already has differing input and
output watermarks.


> Report Watermark metrics in all operators
> -----------------------------------------
>
>                 Key: FLINK-4812
>                 URL: https://issues.apache.org/jira/browse/FLINK-4812
>             Project: Flink
>          Issue Type: Improvement
>          Components: Metrics
>            Reporter: Robert Metzger
>            Assignee: Chesnay Schepler
>            Priority: Critical
>             Fix For: 1.5.0
>
>
> As reported by a user, Flink does currently not export the current low watermark for
sources (http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/currentLowWatermark-metric-not-reported-for-all-tasks-td13770.html).
> This JIRA is for adding such a metric for the sources as well.



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