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Trouble with Apache Airflow clearing

2 posts from 2 people2d activeSteady, +1 this weekunverified

Posts per day

Posts per day2 posts, Sep 25 to Nov 13

The posts behind it

GitHub issuesapache/airflow · kaxilNov 9

Clearing a Dag run does not clear its ExternalTaskMarker targets

In Airflow 2, clearing a whole Dag run also cleared the tasks its `ExternalTaskMarker`s point at, and their downstream tasks, in the other Dags. The UI's Dag run clear called `dag.clear(..., include_subdags=True)` and the REST API's `POST...

GitHub issuesapache/airflow · ZhiyaDSep 25

Clearing a task instance with both "Upstream" and "Downstream" clears unrelated tasks (whole run when the DAG has a shared root)

...original seed set and union the results, plus a test that enables both flags together. Workaround: clear twice, once with Upstream only and once with Downstream only. ### Are you willing to submit PR? - [ ] Yes I am willing to submit a PR! ### Code of Conduct - [x] I agree to...

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About this problem

Evidence

2 posts from 2 people in 1 place, about 1 a week over 46 days. Mostly on apache/airflow. Tools named alongside: SQLite, Kubernetes, Docker.

Frustration Frustration 0 of 3· Seen on GitHub issues

How it was grouped

Posts about Apache Airflow with no known issue, sharing the word "clearing". First post Sep 25, 2026, latest Nov 9, 2026. Unverified: fewer than 3 posts, or one person or place only. Method

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History

First seen with 2 posts; the top post now: "Clearing a task instance with both Upstream and Downstream clears unrelated tasks (whole run when the DAG has".

Nov 13, 2026