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Posted to commits@airflow.apache.org by "Bas Harenslak (JIRA)" <ji...@apache.org> on 2019/07/15 20:14:00 UTC

[jira] [Created] (AIRFLOW-4963) Avoid recreating task context

Bas Harenslak created AIRFLOW-4963:
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             Summary: Avoid recreating task context
                 Key: AIRFLOW-4963
                 URL: https://issues.apache.org/jira/browse/AIRFLOW-4963
             Project: Apache Airflow
          Issue Type: Improvement
          Components: core
    Affects Versions: 1.10.5
            Reporter: Bas Harenslak


The task context is created by taskinstance.get_template_context() and called twice via _run_raw_task:
 # context = self.get_template_context()
 # 2nd time in render_template(), instead of passing it to render_template()

This is costly (lots of variables initialized, DB session, datetime calculations) and can be avoided.

 



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