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Posted to commits@airflow.apache.org by "Paul Yang (JIRA)" <ji...@apache.org> on 2016/06/30 23:49:10 UTC

[jira] [Created] (AIRFLOW-304) Disable connection pooling for `airflow run`

Paul Yang created AIRFLOW-304:
---------------------------------

             Summary: Disable connection pooling for `airflow run`
                 Key: AIRFLOW-304
                 URL: https://issues.apache.org/jira/browse/AIRFLOW-304
             Project: Apache Airflow
          Issue Type: Bug
          Components: cli
    Affects Versions: Airflow 1.8, Airflow 1.7.1
            Reporter: Paul Yang
            Assignee: Paul Yang
            Priority: Minor
             Fix For: Airflow 1.8


When airflow runs a task through the `airflow run` command, it keeps around a connection to the DB due to the connection pool settings and the way that sessions are managed.

To reduce the number of connections to the DB, the run command should create connections as needed. This is dependent on the job heart rate configuration, but by default, this is only once every 5 seconds.



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