gliter commented on PR #26299:
URL: https://github.com/apache/flink/pull/26299#issuecomment-2741007537

   @gaborgsomogyi I finished similar test like before
   Setup:
   Cluster running from official dist 1.20.1
   Job build with official 1.20.1 that generates random numbers and output to 
Kafka
   State migration job build with 1.20-SNAPSHOT built from your branch
   
   1. Start the job, let it run for a while
   1. Stop with savepoint
   1. Check if KafkaCommittable is present
   OK: `KafkaCommittable{producerId=18, epoch=0, 
transactionalId=kafka-sink-0-18}`
   1. Change uid of stateful-function to stateful-function-tmp
   1. Bootstrap stateful-function state using stateful-function-tmp as source 
and change value by 1000
   1. Validate checkpointId is preserved after migration
   OK: checkpointId is preserved
   1. Start job from savepoint
   OK: job continues from last checkpointId
   1. state was updated and loaded correctly, outputs are now higher by 1000
   1. stop the job with savepoint and check if KafkaCommitable was properly 
handled - that is, Commitable from checkpoint before migration was cleaned and 
there is only latest Commitable
   OK: `Kafka commitable: KafkaCommittable{producerId=55, epoch=0, 
transactionalId=kafka-sink-0-54}`
   
   Everything seems to work in order. Great thanks for quick resolution 
:raised_hands: .
   


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