Spark2.1.1

版本信息

spark2.1.1
scala 2.11.8

1.SBT
新建SBT项目

选择scala:2.11.8

添加依赖：spark_core

name := "SBTTest"

version := "1.0"

scalaVersion := "2.11.8"

libraryDependencies += "org.apache.spark" %% "spark-core" % "2.1.1"

scala wordcount代码

object WordCount {
  def main(args: Array[String]): Unit = {
    val conf = new SparkConf().setMaster("local[4]").setAppName("FirstSparkDemo")
    val sc = new SparkContext(conf)
    //② 从Scala 集合或者文件系统中创建RDD
    //通过Scala 集合创建 RDD
    //从HDFS 上创建RDD
    val lines = sc.textFile("hdfs://172.17.11.85:9000/input/file.txt")
    val flatRDD = lines.flatMap(_.split(" "))
    println("size:"+lines.partitions.size)
    flatRDD.map((_, 1)).reduceByKey(_ + _).collect.foreach(println)

  }
}

选择SBTshell，输入compile，package

.

查看jar包

2.Maven

新建Maven项目

在pom文件中添加依赖

<dependencies>
        <dependency>
            <groupId>org.apache.sparkgroupId>
            <artifactId>spark-core_2.11artifactId>
            <version>2.1.1version>
        dependency>
    dependencies>

scala wordcount代码

编译打包

查看Jar包