t oo created AIRFLOW-6415:
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Summary: get_task_instances() - don't look at 30 days of exec_dates
Key: AIRFLOW-6415
URL: https://issues.apache.org/jira/browse/AIRFLOW-6415
Project: Apache Airflow
Issue Type: Improvement
Components: core, scheduler
Affects Versions: 1.10.7
Reporter: t oo
For refactor:
https://github.com/apache/airflow/blob/master/airflow/models/dag.py#L781 has
start_date = (timezone.utcnow() - timedelta(30)).date()
which then gets used in
TaskInstance.execution_date >= start_date,
from what I can tell it is only used by callback functions?
If dagrun is passed into callback then exact execution_date is already known?
looks like it has existed since first commit 5 years ago:
https://github.com/apache/airflow/blob/1047940ca4363b04044c4963b9c88f7632746407/core/models.py#L760
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