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https://issues.apache.org/jira/browse/FLINK-20264?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tzu-Li (Gordon) Tai updated FLINK-20264:
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Summary: Zero-downtime / dynamic function upgrades in Stateful Functions
(was: Zero-downtime / dynamic application upgrades in Stateful Functions)
> Zero-downtime / dynamic function upgrades in Stateful Functions
> ---------------------------------------------------------------
>
> Key: FLINK-20264
> URL: https://issues.apache.org/jira/browse/FLINK-20264
> Project: Flink
> Issue Type: New Feature
> Components: Stateful Functions
> Reporter: Tzu-Li (Gordon) Tai
> Priority: Major
> Fix For: statefun-2.3.0
>
>
> Currently, due to how functions can be executed as stateless deployments
> separate to the StateFun runtime, they can be easily upgraded with
> zero-downtime.
> However, up to now there are still some restrictions to what can be done
> without restarting StateFun processes:
> * Users can not upgrade existing functions to declare new persisted state
> * Users can not add new functions to an existing StateFun application, and
> have messages routed to it
> The end goal of this epic is to enable the above operations for function
> deployments, without the need to restart the StateFun runtime. Further
> details can be found in subtasks of this JIRA.
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