DuckDB is an in-process OLAP DBMS written in C++ blah blah blah, too complicated. Let’s start simple, shall we? DuckDB is the SQLite for Analytics. It has no dependencies, is extremely easy to set up, and is optimized to perform queries on data. In this hands-on tutorial, you will learn what DuckDB is, how to …
Airflow Taskflow is a new way of writing DAGs at ease. As you will see, you need to write fewer lines than before to obtain the same DAG. That helps to make DAGs easier to build, read, and maintain. The Taskflow API has three main aspects: XCOM Args, Decorator, and XCOM backends. In this tutorial, …
Dynamic Task Mapping is a new feature of Apache Airflow 2.3 that puts your DAGs to a new level. Now, you can create tasks dynamically without knowing in advance how many tasks you need. This feature is for you if you want to process various files, evaluate multiple machine learning models, or process a varied …
Airflow dynamic DAGs can save you a ton of time. As you know, Apache Airflow is written in Python, and DAGs are created via Python scripts. That makes it very flexible and powerful (even complex sometimes). By leveraging Python, you can create DAGs dynamically based on variables, connections, a typical pattern, etc. This very nice …
Dynamic DAGs in Apache Airflow: The Ultimate Guide Read More »
Airflow TaskGroups have been introduced to make your DAG visually cleaner and easier to read. They are meant to replace SubDAGs which was the historic way of grouping your tasks. The problem with SubDAGs is that they are much more than that. They bring a lot of complexity as you need to create a DAG …
By default, your tasks get executed once all the parent tasks succeed. this behaviour is what you expect in general. But what if you want something more complex? What if you would like to execute a task as soon as one of its parents succeeds? Or maybe you would like to execute a different set …
How to set up Apache Airflow on AWS EKS? That’s one of the top questions I received from my students. If you started with Airflow pretty recently, there is a good chance that you are still using it in local or on an EC2 instance with the local executor. That’s great at first, but you …
Airflow on AWS: Set up a production-ready architecture Read More »
PuTTY is an open source SSH and telnet client developed originally by Simon Tatham for Windows and UNIX systems. The purpose of PuTTY is to provide an easy way to connect with any server running an SSH daemon in order to give you the illusion to work on the remote system as if you were …
