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Posted to commits@samza.apache.org by "Jagadish (JIRA)" <ji...@apache.org> on 2017/11/20 18:34:00 UTC

[jira] [Updated] (SAMZA-1494) Flush operator state on end of stream

     [ https://issues.apache.org/jira/browse/SAMZA-1494?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jagadish updated SAMZA-1494:
----------------------------
    Issue Type: Sub-task  (was: Bug)
        Parent: SAMZA-1421

> Flush operator state on end of stream
> -------------------------------------
>
>                 Key: SAMZA-1494
>                 URL: https://issues.apache.org/jira/browse/SAMZA-1494
>             Project: Samza
>          Issue Type: Sub-task
>            Reporter: Prateek Maheshwari
>            Assignee: Jagadish
>             Fix For: 0.14.0
>
>
> Stateful operators should flush all buffered state when end of stream is reached. Otherwise the container may shut down with open windows and lead to message loss.
> As of 0.14, only window operator needs to do this. When we add outer/left/right joins they'll need to do it as well.



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