[jira] [Updated] (AIRFLOW-2371) SubdagOperator ignores pooling

["Aizhamal Nurmamat kyzy (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AIRFLOW-2371?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aizhamal Nurmamat kyzy updated AIRFLOW-2371:
--------------------------------------------
         Labels: subdag  (was: )
    Component/s: operators

Adding 'operators' component and 'subdag' label for component refactor.

> SubdagOperator ignores pooling
> ------------------------------
>
>                 Key: AIRFLOW-2371
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-2371
>             Project: Apache Airflow
>          Issue Type: Bug
>          Components: operators, subdag
>    Affects Versions: 1.9.0
>         Environment: Airflow 1.9.0
>            Reporter: Xiao Zhu
>            Priority: Major
>              Labels: subdag
>
> Basically we need a long term solution for https://issues.apache.org/jira/browse/AIRFLOW-74 . Using SequentialExecutor is a workaround, however it slows down execution of subdags.
> Looking for a better solution.
> I also see that when running subdags, db connection pools are not shared either (since they are separate processes), which causes db disconnection issues like https://issues.apache.org/jira/browse/AIRFLOW-2340 on our db because there can be too many connections. I hope it can be fixed too when subdag operator works with pooling..



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