首页 > 技术文章 > 利用代码调用spark

fxyh 2014-10-23 12:59 原文

java实现代码:

import org.apache.spark.api.java.JavaSparkContext;
 2 /**
 3  * spark测试
 4  * Created by lxq on 2014/10/23.
 5  */
 6 public final class Test {
 7     public static void main(String[] args) throws Exception {
 8     
 9        /**
10          * 参数说明:
11          * 1、URL:spark的Ip地址或是写成:spark://master:7077;看配置如何配了
12          * 2、给该项目起的名字
13          * 3、spark的安装路径
14          * 4、需要引入的包
15          */
16         JavaSparkContext ctx = new JavaSparkContext("spark://URL:7077", "SparkTest",
17                 "~/spark-1.0.2",
18                 "lib/spark-assembly-1.0.2-hadoop2.2.0.jar");
19         System.out.println(ctx.appName());
20     }
21 }

Scala实现代码:

import org.apache.spark.SparkContext
import org.apache.spark.mllib.classification.SVMWithSGD
import org.apache.spark.mllib.evaluation.BinaryClassificationMetrics
import org.apache.spark.mllib.util.MLUtils

object Test {
  def main(args: Array[String]) {

    val sc = new SparkContext("spark://URL(master的ip或是直接master):7077", "WordCount",
      System.getenv("~/spark-1.0.2"), Seq(System.getenv("lib/spark-assembly-1.0.2-hadoop2.2.0.jar")))

}

 

推荐阅读