Use this list of URLs to learn about Apache Spark. This list is not final - it will be regularly updated.
- https://towardsdatascience.com/getting-started-with-apache-spark-ad9d59e71f6f
- https://intellipaat.com/blog/tutorial/spark-tutorial/spark-architecture/
- https://www.edureka.co/blog/spark-architecture/
- https://www.dezyre.com/article/apache-spark-architecture-explained-in-detail/338
- https://data-flair.training/blogs/spark-tutorials-home/
- https://databricks.com/blog/2016/07/14/a-tale-of-three-apache-spark-apis-rdds-dataframes-and-datasets.html
- https://medium.com/@chris_bour/6-differences-between-pandas-and-spark-dataframes-1380cec394d2
- https://data-flair.training/blogs/apache-spark-rdd-vs-dataframe-vs-dataset/