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DAGs can be run either on a defined schedule (e.g. hourly or daily) or based on external event triggers (e.g. a file appearing in Hive [5]). Previous DAG-based schedulers like Oozie and Azkaban tended to rely on multiple configuration files and file system trees to create a DAG, whereas in Airflow, DAGs can often be written in one Python file. [6]
In engineering, airflow is a measurement of the amount of air per unit of time that flows through a particular device. It can be described as a volumetric flow rate (volume of air per unit time) or a mass flow rate (mass of air per unit time). What relates both forms of description is the air density, which is a function of pressure and ...
This is a list of file signatures, data used to identify or verify the content of a file. Such signatures are also known as magic numbers or Magic Bytes. Many file formats are not intended to be read as text. If such a file is accidentally viewed as a text file, its contents will be unintelligible. However, some file signatures can be ...
Content-addressable storage. Content-addressable storage (CAS), also referred to as content-addressed storage or fixed-content storage, is a way to store information so it can be retrieved based on its content, not its name or location. It has been used for high-speed storage and retrieval of fixed content, such as documents stored for ...
List of The X-Files episodes. Chris Carter created The X-Files, which premiered on September 10, 1993. The X-Files is an American science fiction – supernatural television series that originally aired on the Fox network for 9 seasons from September 10, 1993, to May 19, 2002. [ 1 ] The series centers on FBI special agents Fox Mulder (David ...
alThis is a list of notable hardcore punk bands. Hardcore punk (commonly shortened to hardcore) is an underground music genre that generally revolves around a thicker and more aggressive tone than earlier punk rock.
Directed acyclic graph. In mathematics, particularly graph theory, and computer science, a directed acyclic graph (DAG) is a directed graph with no directed cycles. That is, it consists of vertices and edges (also called arcs), with each edge directed from one vertex to another, such that following those directions will never form a closed loop ...
July 12–16 – The Yoyo A Go Go punk and indie rock festival opens in Olympia, Washington.; July 30. The Verbier Festival is launched.; In keeping with the country's new constitution and the promotion of its native language, Moldova adopts Limba noastră as its new national anthem, replacing the anthem of Romania which was previously in use.