[jira] [Commented] (AIRFLOW-2776) Tree view JSON is unnecessarily large

["Apache Spark (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AIRFLOW-2776?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16601293#comment-16601293 ] 

Apache Spark commented on AIRFLOW-2776:
---------------------------------------

User 'abdul-stripe' has created a pull request for this issue:
https://github.com/apache/incubator-airflow/pull/3620

> Tree view JSON is unnecessarily large
> -------------------------------------
>
>                 Key: AIRFLOW-2776
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-2776
>             Project: Apache Airflow
>          Issue Type: Improvement
>            Reporter: Abdul Nimeri
>            Assignee: Abdul Nimeri
>            Priority: Minor
>             Fix For: 2.0.0
>
>
> The tree view generates JSON that can be massive for bigger DAGs –– some of our tree views at stripe have 10s of MBs of JSON.
> The [generated JSON is prettified|https://github.com/apache/incubator-airflow/blob/52c745da71a6da798f7322956967b5e818b56e48/airflow/www/views.py#L1480], which both takes up more CPU time during serialization, as well as slowing everything else that uses it. We patched this on stripe's fork by removing all whitespace and had a ton of speedup for bigger tree views. Considering the JSON is only meant to be used programmatically, this is probably an easy win.



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