Spark, Spark Core, Rdd, Spark Api.
due to access speed). Parallel, i.e. process data in parallel. Typed — RDD records have types, e.g. Long in RDD[Long] or (Int, String) in RDD[(Int, String)]. Partitioned — records are partitioned (split into logical partitions) and distributed across nodes in a cluster. Location-Stickiness — RDD