Overview - Spark 3.5.5 Documentation - Spark

sparkSpark’s primary abstraction is a distributed collection of items called a Dataset. Datasets can be created from Hadoop InputFormats (such as HDFS files) or by transforming other Datasets.If you have an elible Spark broadband or a Pay Monthly mobile plan with Spark, you can get Xtra Mail for $5.95month. If you don't have any of these services, Xtra Mail will st $9.95month.