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Dan Davydov commented on AIRFLOW-932: ------------------------------------- I think tasks should only be verified/removed in the scheduler dagrun loop. That would avoid this issue if I understand correctly. > Backfills delete existing task instances and mark them as removed > ----------------------------------------------------------------- > > Key: AIRFLOW-932 > URL: https://issues.apache.org/jira/browse/AIRFLOW-932 > Project: Apache Airflow > Issue Type: Sub-task > Components: backfill > Reporter: Dan Davydov > Priority: Blocker > > I'm still investigating. -- This message was sent by Atlassian JIRA (v6.3.15#6346)