spark-redis使用简易脚本

package com.*****
import org.apache.spark.{SparkConf, SparkContext}
import com.redislabs.provider.redis._
/**
  * \* Created By ****.
  * \* User: ****
  * \* Date: 2019-09-26
  * \* Time: 18:26
  * \* To change this template use File | Settings | File Templates.
  * \* Description:
  * \*/
object Test {
    def main(args: Array[String]) {
      if (args.length < 1) {
        System.err.println("Usage: <file>")
        System.exit(1)
      }
      val conf = new SparkConf()
      conf.set("redis.host","xx.xxx.xx.xxx")
      conf.set("redis.port","6379")
//      conf.set("redis.db","0")
      val sc = new SparkContext(conf)
      val data = Array(("key1", "v1"), ("key2", "world"), ("key3", "hello"), ("key4", "Hong"), ("key5", "Kong"))
      val distData = sc.parallelize(data)
      sc.toRedisHASH(distData,"foo")
      val stringRDD = sc.fromRedisHash(Array("foo")).collect().foreach(println(_))
      val stringRDD1 = sc.fromRedisKV(Array("aaa","bbb")).map(x=>(x._1,x._2.toString)).collect().foreach(println(_))
      sc.stop()
    }
}

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原文链接:https://blog.csdn.net/voidfaceless/article/details/101758856

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[这个贴子最后由 flybird 在 2020-03-22 12:08:59 重新编辑]

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