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https://issues.apache.org/jira/browse/AIRFLOW-803?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15838532#comment-15838532
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ASF subversion and git services commented on AIRFLOW-803:
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Commit 4edf9138d03fa4cbce5a1fc9059735d6f80f80f2 in incubator-airflow's branch
refs/heads/master from [~bolke]
[ https://git-wip-us.apache.org/repos/asf?p=incubator-airflow.git;h=4edf913 ]
[AIRFLOW-803] Revert join with dag_runs in _execute_task_instances
TaskInstances will be set to 'scheduled' if they meet the criteria to run,
also the ones up for retry. No task_instance will be send to the executor
in another state than 'scheduled'.
> Manual triggered dags are not running
> --------------------------------------
>
> Key: AIRFLOW-803
> URL: https://issues.apache.org/jira/browse/AIRFLOW-803
> Project: Apache Airflow
> Issue Type: Bug
> Components: scheduler
> Affects Versions: 1.8.0b2
> Reporter: Bolke de Bruin
> Priority: Blocker
> Fix For: 1.8.0b3
>
>
> After cgroups+impersonation was added the task_instances for manually created
> dag_runs are not executed anymore. This is due to the fact the task_instance
> table is now joined against running dag_runs with a 'scheduled' run_id.
> This change is however not required, as task_instances will only be in
> 'scheduled' state when they are send to the executore. Tasks from dag_runs in
> failed state will not be scheduled by contract.
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