HuangZhenQiu commented on PR #26640:
URL: https://github.com/apache/flink/pull/26640#issuecomment-3026599006

   4 threads to 2 will take longer end to end time for single TM to finish the 
state upload. I would cause checkpoint timeout for the largest job in worst 
case. I guess you want to generalize the solution for ForStStateBackend. If so, 
I agree to use a FLIP to discuss a more comprehensive solution, if you want to. 
But honestly, the speed control in ForStStateBackend is different with the 
jitter for rocksdb state backend as they will use different Flink 
configurations. If there is no side effect, shall we merge the diff first?
   


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