Running dag without dag file in airflow

Running dag without dag file in airflow

By : jjenkins70
Date : January 11 2021, 05:14 PM
hope this fix your issue @Kabilan - For a DAG to be loaded & executed by AirFlow it must be in DAGs folder of the server which it is hosted on. Without DAG file, DAG will not be shown up in DAGs list to be able to RUN. According to documentation - Airflow will load any DAG object it can import from a DAGfile. Critically, that means the DAG must appear in globals()
Hope it helps anyway! :)
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Airflow: what do `airflow webserver`, `airflow scheduler` and `airflow worker` exactly do?

Airflow: what do `airflow webserver`, `airflow scheduler` and `airflow worker` exactly do?

By : Hafiz Atanda
Date : March 29 2020, 07:55 AM
To fix this issue Each process does what they are built to do while they are running (webserver provides a UI, scheduler determines when things need to be run, and workers actually run the tasks).
I think your confusion is that you may be seeing them as commands that tell some sort of "Airflow service" to do something, but they are each standalone commands that start the processes to do stuff. ie. Starting from nothing, you run airflow scheduler: now you have a scheduler running. Run airflow webserver: now you have a webserver running. When you run airflow webserver, it is starting a python flask app. While that process is running, the webserver is running, if you kill command, is goes down.
Why airflow scheduler keeps running my DAG file?

Why airflow scheduler keeps running my DAG file?

By : IrwanD
Date : March 29 2020, 07:55 AM
I wish did fix the issue. The scheduler will "heartbeat" your dag files based on the contents of your airflow.cfg. The two settings that probably most relevant to this are:
min_file_process_interval: How many seconds to wait between file-parsing loops to prevent the logs from being spammed.
how to create custom operators in airflow and use them in airflow template which is running through cloud composer(in go

how to create custom operators in airflow and use them in airflow template which is running through cloud composer(in go

By : MauricioM
Date : March 29 2020, 07:55 AM
hope this fix your issue You need to use Airflow Plugins. https://airflow.apache.org/plugins.html
AirFlow DAG running twice after DST

AirFlow DAG running twice after DST

By : user3446422
Date : March 29 2020, 07:55 AM
Hope this helps Airflow 1.9 does not provide a functionality to account for the daylight saving time. It knows nothing about time zones and runs everything in UTC±00:00.
As you found out, changing schedule interval trying to emulate this missing functionality is problematic, because
Run airflow process and airflow webserver as airflow user

Run airflow process and airflow webserver as airflow user

By : prabhas raju
Date : March 29 2020, 07:55 AM
should help you out Have you tried actually following the directions as listed in the linked offical docs? I believe that as long as you use Airflow supplied SystemD configs all processes should start using airflow:airflow.
This happens in these two lines
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