Rami Darwish created AIRFLOW-3548:
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Summary: Tasks instances doesn't reuse mysql connection
Key: AIRFLOW-3548
URL: https://issues.apache.org/jira/browse/AIRFLOW-3548
Project: Apache Airflow
Issue Type: Improvement
Components: worker
Affects Versions: 1.10.1
Reporter: Rami Darwish
Task instances keep opening a new connection to mysql every "job_heartbeat_sec"
interval. Ideally, it should open 1 connection for the life span of the task
until it finished executing. It seems to ignore sql_alchemy_pool_enabled = True
We're using airflow 1.10.1, mysql 5.7, SQLAlchemy 1.1.18, Python 2.7.12
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