Sites sur "Dag"

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Can someone explain in simple terms to me what a directed acyclic graph ... : Can someone explain in simple terms to me what a directed acyclic graph is? I have looked on Wikipedia but it doesn't really make me see its use in programming.
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How to Trigger a DAG on the success of a another DAG in Airflow using ... : I have a python DAG Parent Job and DAG Child Job. The tasks in the Child Job should be triggered on the successful completion of the Parent Job tasks which are run daily. How can add external job t...
Airflow dag not starting - Stack Overflow : I have dag as shown below scheduled to run every day at 00:30. Somehow dag is not being triggered by scheduler at all. I created it yesterday and expected to first run today but it wasn't. What cou...
??????????DAG?????????? - ?? : DAG?????????Directed Acyclic Graph, DAG??????????DAG ?????????????????????????????????????????????????????????????????????????????????????????????? ??????? ...
???????dag?hashgraph? - ?? : ??: ???????????dag?hashgraph?????????????? ???: ???????????????????????????????? ??: ?dag????? ???: DAG?Directed Acyclic Graph??????????????????????????????????????? ...
python - How to trigger DAG in Airflow everytime an external event ... : As already mentioned in the question itself, airflow is not an event based triggered system, and it's main paradigm is to do a pre-scheduled batch processing. Nervertheless, it's definitely achievable, in multiple ways: As suggested in the answer by @dl.meteo, you can run a sensor (there are many supported, HTTP, FTP, FTPS and etc..) in a endless loop in a pre-defined interval (every 30s ...
Airflow 2.0 - Scheduler is unable to find serialized DAG in the ... : Does the DAG structure really matter here? On restarting the scheduler, I can run the same dynamically spawned DAG. I wanted to know if this has something to do with concurrency between DAG parsing and scheduling. As I can see the DAG entry in the serialized_dag table manually, is it possible that this entry was added later by the DagFileProcessor in the table after scheduler failed to find ...
airflow - DAG marked as "success" if one task fails, because of trigger ... : However, since end is the last task and succeeds, the DAG is always marked as SUCCESS. How can I configure my DAG so that if one of the tasks failed, the whole DAG is marked as FAILED?