Hi all,

Sorry to piggyback on this question thread but I have something similar. We 
need to be able to schedule daily DAG runs with a configurable start time.

Whatever start_date I provide, the actual start time seems to be set at 
midnight when the schedule is set to daily.

Is there a means to change this?

Thanks,
Kieran

-----Original Message-----
From: [email protected] [mailto:[email protected]]
Sent: Tuesday, October 25, 2016 11:10 AM
To: David Batista <[email protected]>; [email protected]
Subject: RE: Changing the crontab for a DAG

Hi David,

For me worked:
1. Disable the DAG
2. Refresh
3. Edit the schedule_interval
4. Refresh the DAG
5. Enable

You also should edit the start_date to avoid backfilled runs.

--alex

--
B: mapredit.blogspot.com

From: David Batista
Sent: Tuesday, October 25, 2016 11:48 AM
To: [email protected]
Subject: Changing the crontab for a DAG

Hi everyone,

Just a quick question, if you have a running DAG (i.e., runs daily for 
instance), and at a certain point you want to update the crontab, for instance, 
change the hour on which it runs.

Usually, want I do, is to clear all the past tasks with the old crontab, and 
update the the start_date of the DAG, to be equal to the day when the the hour 
changed.

Nevertheless, sometimes, it happens that the DAG starts running with the old 
hour (before the change)

What is the best way to deal with this, changing, let's say the hour, for a 
running a DAG?

Best regards,
David Batista

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