为什么很多分布式系统都是以DAG（Directed acyclic graph ）实现 …
如下图： DAG 往往用来描述事物之间的依赖关系或工作流中子流程之间的顺序，所以 DAG 中一定存在入度为 0 和出度为 0 的节点。 入度为 0 的节点表示流程的开始，出度为 0 的节点表示流 …
Can someone explain in simple terms to me what a directed …
Feb 17, 2010 · 6 A DAG is a graph where everything flows in the same direction and no node can reference back to itself. Think of ancestry trees; they are actually DAGs. All DAGs have Nodes …
如何理解DAG数据结构，并且用浅显易懂的话说出来？ - 知乎
DAG是一种数据存储结构，从它被发明的30多年来一直都有人使用，本身并没有问题。 但它和区块链的区别在于DAG没有传统意义上的共识，每笔交易的可信与否取决于相信这笔交易的人数 …
How to Trigger a DAG on the success of a another DAG in Airflow …
Apr 30, 2020 · 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. …
python - How to trigger DAG in Airflow everytime an external …
Nov 25, 2022 · A better approach IMHO would be: a. to use Airflow's REST API, to trigger a specific dag (external event system directly calls airflow's REST API) b. if external event …
Airflow dag not starting - Stack Overflow
Dec 14, 2023 · 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 …
Airflow: how to force reparse of DAG definition file
Jul 10, 2023 · Is there a way to force a reparse of a DAG definition file in Airflow? How about all DAG definition files? First, you can use dag-processor command to manually parse all the …
DAG seems to be missing from DagBag error in Airflow 2.4.0
Oct 10, 2022 · I updated my Airflow setup from 2.3.3 to 2.4.0. and I started to get these errors on the UI DAG <dag name> seems to be missing from DagBag. Scheduler log shows ERROR - …
Running a specific task only from a DAG in Apache Airflow
May 10, 2024 · Is there a way in Apache Airflow to run a single task from a DAG on an adhoc basis, controlling whether it runs with only its upstream or downstream tasks without running …
Airflow DAG Updates Not Reflecting in UI Without File Rename or ...
Nov 4, 2024 · Specifically: When I modify the function code in a separate file used by the DAG and push the updates to Git, the UI doesn’t show these changes unless I rename the file. …