Fokko commented on a change in pull request #3830: [AIRFLOW-2156] Parallelize Celery Executor task state fetching URL: https://github.com/apache/incubator-airflow/pull/3830#discussion_r216153443
########## File path: airflow/config_templates/default_airflow.cfg ########## @@ -380,6 +380,9 @@ flower_port = 5555 # Default queue that tasks get assigned to and that worker listen on. default_queue = default +# How many processes CeleryExecutor uses to sync task state. +sync_parallelism = 16 Review comment: Agreed, but set it to `max(1, cores - 1)`, this is a quite common pattern. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected] With regards, Apache Git Services
