◆ Apache Airflow

Limit DAG runs to a single instance

This is real work, not a feature someone invented — it comes from real job ads and real questions people asked. Below are four ready AI prompts: get it done, make it easy for the next person to say yes to, work out the right move when you are stuck, and stop it coming back.

4prompts

The same task, four prompts

today's deadline · the next reviewer · the stuck moment · the pattern
AExecute — do the immediate taskFor the 'realtime_fraud_detection' DAG, ensure that only one instance runs at any given time.…+
For the 'realtime_fraud_detection' DAG, ensure that only one instance runs at any given time. We can't have duplicate alerts going out to the security team, and it's resource-intensive.
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed. Helpful?
BImprove — make it easier to acceptBefore enabling the 'inventory_sync_dag', confirm its settings prevent multiple concurrent…+
Before enabling the 'inventory_sync_dag', confirm its settings prevent multiple concurrent runs. We need to avoid race conditions that could lead to incorrect inventory counts in the warehouse system, which would cause major headaches for the logistics team.
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed. Helpful?
CDecide — diagnose the stuck momentThe 'order_processing_dag' is running multiple instances right now, and the customer service…+
The 'order_processing_dag' is running multiple instances simultaneously, and customers are reporting duplicate orders.
The 'order_processing_dag' is running multiple instances right now, and the customer service team is getting calls about duplicate orders. I thought I had configured it for a single run, but clearly something is wrong. I'm afraid of corrupting the order database if I don't fix this immediately. How can I stop the extra runs and ensure only one instance processes orders without losing any legitimate transactions?
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed. Helpful?
DBecome — change the patternI've repeatedly seen critical DAGs, especially those handling financial transactions or…+
DAGs that should run singularly often end up with multiple concurrent instances, causing data integrity issues.
I've repeatedly seen critical DAGs, especially those handling financial transactions or inventory, run multiple instances concurrently, leading to data corruption and operational errors. It's a constant source of stress and urgent fixes. What habit can I change in my DAG design or deployment process to guarantee that these sensitive pipelines always enforce single-instance execution, protecting our data integrity?
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed. Helpful?

Questions people actually ask

honest answers, no sign-up

Every task here was seen in the real world. Someone doing the job named it, a real job ad asked for it, or a lot of people asked about it online.

If nothing real showed a task, it is not on the page. That is the whole rule.

They are the same job approached four ways, because what you need depends on where you are.

Get it done today. Make it easy for the next person to say yes to. Work out the right move when you are stuck. Learn the pattern so the job stops coming back.

For most of these jobs it can carry the heavy thinking - draft it, sort it, check it, rehearse it with you.

It cannot sit in your chair, take the blame when a number is wrong, or notice what nobody wrote down. Let it do the first 80%. Keep the last 20% that is truly yours.

No. Copy any prompt and paste it into the AI you already use. No account, no score, no wall in the way.

Any of them. The prompts describe the work rather than naming a product, so they are not tied to one assistant.

That is also why they keep working when you switch.

Change it freely. Every prompt is a starting line, not a rule.

Put in your real numbers, your real names and your real deadline. The more you make it yours, the better the answer comes back.

The tasks come from real job ads, published job data and the questions people ask in public forums.

The steps come from Apache Airflow's own documentation, with practitioner sources for the traps the manual does not mention.

Push once. Ask it to sharpen the weakest part and to say what it assumed.

Most wrong answers come from a missing detail rather than a bad prompt - tell it the thing it could not know.