THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
...
- jobmanager.adaptive-batch-scheduler.speculative.max-concurrent-executions, default to "2". It controls how many executions (including the original one and speculative ones) of an ExecutionVertex can execute at the same time.
- jobmanager.adaptive-batch-scheduler.speculative.block-slow-node-duration, default to "5 1 min". It controls how long an identified slow node should be blocked for.
...