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Posted to commits@airflow.apache.org by GitBox <gi...@apache.org> on 2020/05/08 18:36:30 UTC

[GitHub] [airflow] tooptoop4 opened a new issue #8789: Ability to throttle scheduler bursts on single pool

tooptoop4 opened a new issue #8789:
URL: https://github.com/apache/airflow/issues/8789


   Current issue is I have pools configured on same type of task where I can have up to max 100 pool slots of that task type running in parallel BUT I want ability to say don't START running more than 5 at a time. So ideally these tasks should be scheduled in steps.
   ie 
   at each scheduler iteration 1 (ie 9:03:30 am) 5 tasks scheduled for the pool
   at each scheduler iteration 2 (ie 9:04:00 am) 5 more tasks scheduled for the pool (so 10 currently running in the pool)
   at each scheduler iteration 3 (ie 9:04:30 am) 5 more tasks scheduled for the pool (so 15 currently running in the pool)
   at 9:04:42 am 3 tasks completed for the pool
   at each scheduler iteration 4 (ie 9:05:00 am) 5 more tasks scheduled for the pool (so 17 currently running in the pool)
   ..etc


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