Explore the Apache Spark file format ecosystem in this 29-minute video from Databricks. Dive into the critical role of storage and IO in Spark job performance and optimization. Learn about key file formats like Parquet, ORC, and Avro, their origins, core data structures, and optimization techniques. Discover how to tune SparkConf and SQLConf settings for these formats. Examine real-world industry examples showcasing file format impact on job performance and stability. Gain insights into emerging technologies like Apache Arrow. By the end, understand core concepts of prevalent file formats, relevant settings, and how to select the right format for your Spark jobs, especially for IO-intensive AI/ML workflows.