- org.apache.spark.SparkContext
- org.apache.spark.SparkConf
- org.apache.spark.Partitioner
- org.apache.spark.rdd.RDD
- org.apache.spark.Partition
- org.apache.spark.Dependency
- org.apache.spark.rdd.PairRDDFunctions
- org.apache.spark.sql.expressions.Window
- spark.default.parallelism
- sparkapp.id
- spark.task.cpus ,default 1
- spark.speculation.interval ,default 100ms