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Iterations and back pressure problem


We've tried using iterations feature and in case of significant load the job sometimes stalls and stops processing events due to high back pressure both in tasks that produces records for iteration and all the other inputs to this task. It looks like a back pressure loop the task can't handle all the incoming records, iteration sink loops back into this task and also gets back pressured. This is basically a "back pressure loop" which causes a complete job stoppage.

Is there a way to mitigate this (to guarantee such issue does not occur)?