linax101 commented on issue #8181: Duplicate key value violates unique constraint "task_instance_pkey" error URL: https://github.com/apache/airflow/issues/8181#issuecomment-610901210 Yes i would like to, we are trying to implement airflow for model training. It would work with SequentialExecuter but that would take forever to get through this many tasks. I'm experimenting with adding a sleep task or two and adjusting concurrency per task. So far it makes the postgres error go away but tasks are stuck in a None state and not queuing or starting/scheduling.
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