search: updater reconcile, do not create the dag dynamically (!404) · Merge requests · repos / data-engineering / Airflow DAGs · GitLab

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DCausse requested to merge search-build-updater-reconcile-statically into main May 25, 2023

Creating multiple sensors looping over an array set by config makes the dag dynamic. This error prone and has many undesired side-effets in airflow:

the tasks might be marked as "removed" if it disappears for one run
if the tasks is created again it might remain inactive (unclear state)
might cause the whole dag to stall in some unknown conditions

Prefer to have a dag that is statically created and not dependent on a config var.

WIP: needs a new build of the rdf-tools jar with: https://gerrit.wikimedia.org/r/c/wikidata/query/rdf/+/923380