[jira] [Work started] (AIRFLOW-2760) DAG parsing loop coupled with scheduler loop

["Kevin Yang (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AIRFLOW-2760?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on AIRFLOW-2760 started by Kevin Yang.
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> DAG parsing loop coupled with scheduler loop
> --------------------------------------------
>
>                 Key: AIRFLOW-2760
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-2760
>             Project: Apache Airflow
>          Issue Type: Improvement
>            Reporter: Kevin Yang
>            Assignee: Kevin Yang
>            Priority: Major
>
> Currently DAG parsing loop is coupled with scheduler loop, meaning that if scheduler loop became slow, we will parse DAG slower.
> As a simple producer and consumer pattern, we shall have them decoupled and completely remove the scheduling bottleneck placed by DAG parsing--which is identified in Airbnb as the current biggest bottleneck.



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