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https://issues.apache.org/jira/browse/FLINK-29281?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17747833#comment-17747833
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Chesnay Schepler commented on FLINK-29281:
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> is this annulates the Akka Artery migration (FLINK-28372) at this point?
Yes, if done it would make the artery migration unnecessary.
> Replace Akka by gRPC-based RPC implementation
> ---------------------------------------------
>
> Key: FLINK-29281
> URL: https://issues.apache.org/jira/browse/FLINK-29281
> Project: Flink
> Issue Type: Technical Debt
> Components: Runtime / RPC
> Reporter: Chesnay Schepler
> Assignee: Chesnay Schepler
> Priority: Major
>
> Following the license change I propose to eventually replace Akka.
> Based on LEGAL-619 an exemption is not feasible, and while a fork _may_ be
> created it's long-term future is up in the air and I'd be uncomfortable with
> relying on it.
> I've been experimenting with a new RPC implementation based on gRPC and so
> far I'm quite optimistic. It's also based on Netty while not requiring as
> much of a tight coupling as Akka did.
> This would also allow us to sidestep migrating our current Akka setup from
> Netty 3 (which is affected by several CVEs) to Akka Artery, both saving work
> and not introducing an entirely different network stack to the project.
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