Boosting Spark Union Operator Performance: Optimization Tips for Improved Query Speed
We will focus on the Apache Spark Union Operator Performance with examples, show you the physical query plan, and share techniques for optimization in this story.
Apache Spark
5 Hidden Apache Spark Facts That Fewer People Talk About
I want to share 5 hidden facts about Apache Spark that I learned throughout my career. Those can be helpful to you to save you some time reading the Apache Spark source code.
Uncovering the Truth About Apache Spark Performance: coalesce(1) vs. repartition(1)
We will discuss a neglected part of Apache Spark Performance between coalesce(1) and repartition(1), and it could be one of the things to be attentive to when you check the Spark job performance.
The Essential Reading List for Data Engineers: 10 Classic Books You Can’t Miss
Discover the Essential Reading List for Data Engineers: 10 Classic Books You Can’t Miss. While many free online resources are available, they often lack the depth and context needed to truly master the field. In this article, I will share ten classic books that cover everything from fundamental technical skills like Python and SQL, to more advanced topics like Apache Spark, Apache Flink, Apache Beam, Apache Airflow, Kubernetes, distributed systems, and dimensional modeling.
Deep Dive into Handling Apache Spark Data Skew
“Why my Spark job is running slow?” is an inevitable question. We will cover how to identify Spark data skew and how to handle data skew with different options, including key salting