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https://issues.apache.org/jira/browse/AIRFLOW-4759?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ash Berlin-Taylor resolved AIRFLOW-4759.
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       Resolution: Fixed
    Fix Version/s: 1.10.4

> Improve performance of /success endpoint
> ----------------------------------------
>
>                 Key: AIRFLOW-4759
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-4759
>             Project: Apache Airflow
>          Issue Type: Improvement
>          Components: webserver
>    Affects Versions: 1.10.3
>            Reporter: Josh Carp
>            Assignee: Josh Carp
>            Priority: Minor
>             Fix For: 1.10.4
>
>
> Setting a dagrun to success or failure calls `set_state` for each task in the 
> dag, running multiple database queries for each one. We can reduce the number 
> of queries, and improve performance for the associated endpoints, by setting 
> the states of all relevant tasks in the same query.



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