How to correctly use retry_delay or retry_delay_sec in Airflow YAML DAG?

Question

I'm currently working with Apache Airflow and trying to configure retries for my DAG tasks using the retry_delay (or retry_delay_sec) parameter in a YAML-based DAG definition. However, I'm running into issues when trying different formats. I've tried values such as:

Strings: "600", "600s"
Integers: 600, 60
Python timedelta: timedelta(minutes=10)

None of these seem to work properly, and I keep encountering errors. Could someone clarify the correct way to define retry_delay or retry_delay_sec in a YAML DAG configuration? Any help would be greatly appreciated!

I already explained in the body.

Please edit your question and include a minimal reproducible example and the exact error you get (with stack traces, if any). See How to Ask. — Robert
– Robert, Commented Oct 14 at 2:24

mbaysal · Accepted Answer · 2025-10-18 21:30:04Z

0

You should use 'retries' before using 'retry_delay'. 'retries' indicates the number of retries to be performed when an error occurs in the dag, and 'retry_delay' indicates the time between retries.

'retries' = 5,
'retry_delay' = timedelta(minutes=5)

This means that in case of an error, 5 retries will be made at 5-minute intervals.

For more inf.

I hope it helped.

answered Oct 18 at 21:30

mbaysal

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