Add Spark2 config, and apply it to platform_eng and research instances. (!185) · Merge requests · repos / data-engineering / Airflow DAGs · GitLab

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Xcollazo requested to merge T322366-revert-spark3-for-all into main Nov 29, 2022

Solves T322366.

In !141 (merged), we inadvertently changed the default Spark to Spark3 for all Airflow instances.

This happened because we modified wmf_airflow_common/config/dag_default_args.py, which is used by all instances.

In this MR we revert that behavior to what it was intended:

analytics and analytics_test to Spark3, and research and platform_eng to Spark2.