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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] [Updated] (AIRFLOW-4963) Avoid recreating task context

     [ https://issues.apache.org/jira/browse/AIRFLOW-4963?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bas Harenslak updated AIRFLOW-4963:
-----------------------------------
    Labels: performance  (was: )

> 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
>            Priority: Major
>              Labels: performance
>
> 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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