StephanEwen commented on pull request #14890:
URL: https://github.com/apache/flink/pull/14890#issuecomment-778856937
One question out of curiosity: How does Pravega's recovery and Flink's
regional failover go together today?.
If Flink recovers only a part of the graph (regional failover) and Pravega
restores all readers to the latest checkpoint, we can get weird effects, I
assume. How do you solve this?
- Do Pravega setups always configure "ALL" as the failover strategy?
- Do the readers in the not-restarted regions throw an exception when
reset to the checkpoint so that these regions implicitly also fail over?
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