摘要:
val spark = SparkSession .builder.master("local").config("spark.testing.memory", "2147480000") .appName("HdfsTest") .getOrCreate() val spark = SparkSe 阅读全文
摘要:
class SparkTest { } import java.util.concurrent.TimeUnit import org.apache.spark.sql.SparkSession object SparkDemo { def main(args: Array[String]) { p 阅读全文