Mark a Task as Not Eligible for Backfill
Open
area:backfill
kind:feature
- Dominant language
- Python
- Stars
- 46.9k
- Forks
- 17.8k
- Avg merge
- 2d 10h
- Merged PRs (30d)
- 483
Description
### Description
Add a attribute to existing tasks so that when the dag is cleaned, if the task has been succeeded before, it won't rerun again.
### Use case/motivation
_No response_
### Related issues
_No response_
### Are you willing to submit a PR?
- [x] Yes I am willing to submit a PR!
### Code of Conduct
- [x] I agree to follow this project's [Code of Conduct](https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md)
Contributor guide
Research direction
The issue names no files, tests, or entry points. Start by locating DAG cleanup and backfill handling in the scheduler, then review how task success is persisted; done means an attribute on existing tasks prevents a previously succeeded task from rerunning during cleanup.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python
- Domain
- data-engineering
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100