Airflow 1.10.10 Schedule change for D

[avneesh atri <at...@gmail.com>]

Hi All,

I have a query related to Airflow DAG schedule_interval and hoping i am
posting in right place . Please accept my apologies if not and would be
helpful if you can point me in right direction .

I am using Airflow 1.10.10 and wanted to know how to change a Airflow DAG
schedule . I checked online and in most of the comments its suggested that
to change schedule of a DAG, create a new DAG with new dag_id, or change
dag_id of existing DAG and give new schedule_interval . Attempt to change
schedule of a existing DAG will not work in straight forward manner and
will throw error or might create scheduling error.

However I tried to test this so that I can create the scenario where my DAG
schedule change leads to erroneous cases . This I tried by only change
schedule_interval in DAG file. I tried below change of schedule in my DAG
and all worked as expected. Schedule was changed properly and no erroneous
case was found .

   - Started with @Daily
   - Changed to 10 min
   - Changed to 17 min
   - Changed to 15 min
   - Changed to 5 min

Can anyone please clarify what kind of problem may arise if we change the
schedule_interval in a DAG without changing ID.


PS: I cannot use any other Airflow version and using catchup=False in my
DAG.


Regards,

Avneesh Atri