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https://issues.apache.org/jira/browse/AIRFLOW-6095?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16987726#comment-16987726
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ASF subversion and git services commented on AIRFLOW-6095:
----------------------------------------------------------

Commit 527c0dd94408e69e5070e11b528fd457196449e6 in airflow's branch 
refs/heads/master from Robin Edwards
[ https://gitbox.apache.org/repos/asf?p=airflow.git;h=527c0dd ]

[AIRFLOW-6095] Filter dags returned by task_stats (#6684)

Add dag_ids parameter to task_stats so can filter by a set of dag_ids
present on the dags view. This is intended to speed up the response time
and reduce the size of the payload when running a large number of dags.

> Task stats endpoint is slow and returns a large payload
> -------------------------------------------------------
>
>                 Key: AIRFLOW-6095
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-6095
>             Project: Apache Airflow
>          Issue Type: Improvement
>          Components: api, ui
>    Affects Versions: 2.0.0, 1.10.6
>            Reporter: Robin Edwards
>            Assignee: Robin Edwards
>            Priority: Minor
>             Fix For: 1.10.7
>
>
> The task_stats endpoint returns all dags by default. This can result in an 
> extremely large payload ~ 8mb and slow response time when you have a lot of 
> dags (In this case 1500+).
> The accompanying pull request adds a dag_ids get parameter to the task_stats 
> end point which is populated by the dags present on the page.
> If this is accepted I intend to provide the equivalent change to the 
> dag_stats and last_dagruns endpoints



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