Bolke de Bruin created AIRFLOW-1166:
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Summary: _change_state_for_tis_without_dagrun can take very long
and end up in deadlocks
Key: AIRFLOW-1166
URL: https://issues.apache.org/jira/browse/AIRFLOW-1166
Project: Apache Airflow
Issue Type: Bug
Affects Versions: 1.8.1
Reporter: Bolke de Bruin
Assignee: Bolke de Bruin
Fix For: 1.8.2
While testing multi-scheduler setups we've seen some serious delays (>8s, with
just one dag running) in _change_state_for_tis_without_dagrun. This can also
result in deadlocks in the db due to the fact the query in
_change_state_for_tis_without_dagrun is locking a significant amount of task
instances. This is unnecessary.
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