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https://issues.apache.org/jira/browse/FLINK-14271?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16940284#comment-16940284
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Zhu Zhu commented on FLINK-14271:
---------------------------------

{{The RestartPipelinedRegionStrategy}} was never production ready and it is not 
a public interface(the failover config "region" now points to 
{{AdaptedRestartPipelinedRegionStrategyNG}}).
So I think it's safe to remove it.

[~trohrmann] is it valid to remove it directly? or we can only deprecate it in 
1.10 and remove it in a future release?


> Deprecate legacy RestartPipelinedRegionStrategy
> -----------------------------------------------
>
>                 Key: FLINK-14271
>                 URL: https://issues.apache.org/jira/browse/FLINK-14271
>             Project: Flink
>          Issue Type: Improvement
>          Components: Runtime / Coordination
>    Affects Versions: 1.10.0
>            Reporter: Zhu Zhu
>            Priority: Major
>             Fix For: 1.10.0
>
>
> The legacy {{RestartPipelinedRegionStrategy}} has been superseded by 
> {{AdaptedRestartPipelinedRegionStrategyNG}} in Flink 1.9.
> It heavily depends on ExecutionGraph components and becomes a blocker for a 
> clean scheduler re-architecture.
> We should deprecate it for further removal.



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