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From "Kaxil Naik (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (AIRFLOW-2760) DAG parsing loop coupled with scheduler loop
Date Fri, 26 Oct 2018 08:38:00 GMT

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

Kaxil Naik resolved AIRFLOW-2760.
---------------------------------
       Resolution: Fixed
    Fix Version/s: 2.0.0

Resolved by https://github.com/apache/incubator-airflow/pull/3873

> 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
>             Fix For: 2.0.0
>
>
> 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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