[jira] [Commented] (AIRFLOW-2086) The tree view page is too slow when display big dag.

["ASF subversion and git services (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AIRFLOW-2086?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16468983#comment-16468983 ] 

ASF subversion and git services commented on AIRFLOW-2086:
----------------------------------------------------------

Commit 2a55ffe0cd2c04fde2eecdbeff2fa727067069e1 in incubator-airflow's branch refs/heads/master from Tao feng
[ https://git-wip-us.apache.org/repos/asf?p=incubator-airflow.git;h=2a55ffe ]

[AIRFLOW-2086][AIRFLOW-2393] Customize default dagrun number in tree view

Closes #3279 from feng-tao/reduce-tree-view

This introduces a new configuration variable to set the default
number of dag runs displayed in the tree view. For large DAGs, this
could cause timeouts in the webserver.


> The tree view page is too slow when display big dag.
> ----------------------------------------------------
>
>                 Key: AIRFLOW-2086
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-2086
>             Project: Apache Airflow
>          Issue Type: Improvement
>          Components: webserver
>            Reporter: Lintao LI
>            Priority: Major
>             Fix For: 2.0.0
>
>
> The tree view page is too slow for big(actually not too big) dag. 
> The page size will increase dramatically to hundreds of MB.
> please refer to [here|https://stackoverflow.com/questions/48656221/apache-airflow-webui-tree-view-is-too-slow] for details.
> I think the page contains a lot of redundant data. it's a bug or a flaw of design.



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