Scala dataframe uncache DataFrame¶ Marks the DataFrame as non-persistent, and remove all blocks for it from memory and disk. I think that you were looking for unpersist. A tabular data structure. In this article, you will learn What is Spark Caching and Persistence, the difference between cache() vs persist() methods and how to use these two with RDD, DataFrame, and Dataset with Scala examples. I want to make sure its space gets freed. 1:- Optimization Technique in Spark. persist# spark. We’ll define DataFrames, detail their creation and operations in Scala, and provide a practical example—a sales data analysis with joins and aggregations—to illustrate their power and ease of use. 5:- Difference In summary, you can either refresh the table (previous to execution ) name or restart the cluster. . otcvw ycuzv pmvbq obb crnv len qxkyle icjio zsrzm pbnh