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https://issues.apache.org/jira/browse/AIRFLOW-3891?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16768096#comment-16768096
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ASF subversion and git services commented on AIRFLOW-3891:
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Commit cb0f6736c93e226733ecd0c4db378379022e8f7d in airflow's branch
refs/heads/master from Drew J. Sonne
[ https://gitbox.apache.org/repos/asf?p=airflow.git;h=cb0f673 ]
[AIRFLOW-3891] Disable SQL Alchemy tracking in the Webserver (#4707)
> Disable unused flask-sqlalchemy modification tracking form webserver
> --------------------------------------------------------------------
>
> Key: AIRFLOW-3891
> URL: https://issues.apache.org/jira/browse/AIRFLOW-3891
> Project: Apache Airflow
> Issue Type: Improvement
> Reporter: Josh Carp
> Assignee: Josh Carp
> Priority: Trivial
> Fix For: 1.10.3
>
>
> By default, flask-sqlalchemy tracks model changes for its event system, which
> adds some overhead. Since I don't think we're using the flask-sqlalchemy
> event system, we should be able to turn off modification tracking and improve
> performance.
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