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  1. Apache Airflow
  2. AIRFLOW-6827

PROPOSAL: Implement a run_pool concept for DagRuns

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    Details

    • Type: New Feature
    • Status: Open
    • Priority: Major
    • Resolution: Unresolved
    • Affects Version/s: 1.10.9
    • Fix Version/s: None
    • Component/s: DagRun, scheduler
    • Labels:
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      Description

      Currently we have a concept of resource pools for tasks, where there can be at most N instances of a task running at once. However, no such concept exists for DagRuns.

      For example, you might have a requirement that two DAGs (with different dag_id) cannot run at the same time, so you might define a run_pool for these DAGs with size 1. Meaning only 1 DagRun may be in the RUNNING state at a time.

      I am interested in hearing everyone's thoughts.

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