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https://issues.apache.org/jira/browse/FLINK-24257?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17725851#comment-17725851
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Kevin Lam commented on FLINK-24257:
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Hi! Interested in this, and blue-green deployments generally for the Flink
Operator. Has there been any recent work or discussions?
> Using Stateful Blue/Green Deployment to handle Application Evolvement
> ---------------------------------------------------------------------
>
> Key: FLINK-24257
> URL: https://issues.apache.org/jira/browse/FLINK-24257
> Project: Flink
> Issue Type: Improvement
> Reporter: Zhihao Wang
> Priority: Major
>
> Application Evolvement is an open problem in streaming processing. We present
> a *stateful blue/green deployment* to address it. To our knowledge, this is
> the first general way to handle streaming application evolvement.
> Here is the design doc:
> [https://docs.google.com/document/d/1QCnhtrgcMRUWCw_SO7vmfj6dyzbdjIAxWkJzKK4d508|https://docs.google.com/document/d/1QCnhtrgcMRUWCw_SO7vmfj6dyzbdjIAxWkJzKK4d508/edit?usp=sharing]
>
> The design requires a backfill requirement supported by Flink. Please help to
> review the design and to see Flink community can support such a feature.
>
> P.S. [A related ticket|https://issues.apache.org/jira/browse/KAFKA-13291] is
> also sent to Kafka community for suggestions.
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