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Posted to issues@flink.apache.org by "Konstantin Knauf (JIRA)" <ji...@apache.org> on 2016/06/16 05:44:05 UTC

[jira] [Closed] (FLINK-3758) Add possibility to register accumulators in custom triggers

     [ https://issues.apache.org/jira/browse/FLINK-3758?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Konstantin Knauf closed FLINK-3758.
-----------------------------------
    Resolution: Resolved

> Add possibility to register accumulators in custom triggers
> -----------------------------------------------------------
>
>                 Key: FLINK-3758
>                 URL: https://issues.apache.org/jira/browse/FLINK-3758
>             Project: Flink
>          Issue Type: Improvement
>            Reporter: Konstantin Knauf
>            Assignee: Konstantin Knauf
>            Priority: Minor
>
> For monitoring purposes it would be nice to be able to to use accumulators in custom trigger functions. 
> Basically, the trigger context could just expose {{getAccumulator}} of {{RuntimeContext}} or does this create problems I am not aware of?
> Adding accumulators in a trigger function is more difficult, I think, but that's not really neccessary as the accummulator could just be added in some other upstream operator.



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