Martin Grayson created AIRFLOW-569:
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Summary: Support for non contiguous schedules
Key: AIRFLOW-569
URL: https://issues.apache.org/jira/browse/AIRFLOW-569
Project: Apache Airflow
Issue Type: Bug
Components: scheduler
Affects Versions: Airflow 1.7.1.2
Reporter: Martin Grayson
I've recently created a dag that I want to run hourly, with the exception of a
maintenance window during the night.
To handle this, I use the cron syntax to specify the hours I wish to run.
{code}schedule_interval='0 6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22 * *
*'{code}
i.e. Don't run 23:00-05:00
This works well and actually executes as desired. The only issue is with
backfilling.
When I initially deploy my dag, the scheduler creates the expected series of
dag runs each hour since the start date, excluding the hours not in my
schedule. However, when it comes to create the 06:00 execution, it simply fails
the dag (and all subsequent) - I'm not sure why as I cant see any failure in
the logs. The dag simply gets marked as failed.
Is this a bug or something to be expected?
Thanks,
Martin
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