開發者學堂課程【大資料實時計算架構 Spark 快速入門:持久化政策_緩存優化_2】學習筆記,與課程緊密聯系,讓使用者快速學習知識。
課程位址:
https://developer.aliyun.com/learning/course/100/detail/1653持久化政策_緩存優化_2
package com.bjsxt.spark;
import org.apache.spark. SparkConf;
import org.apache.spark.api.java. JavaRDD;
import org.apache.spark.api.java.JavaSparkContext;
public class TeststorageLevel {
public static void main(String[] args) {
SparkConf conf = new SparkConf().setMaster("local").setAppName("TestStorageLevel" );
JavaSparkContext sc = new JavaSparkContext(conf);
3avaRDD<String> text = sc.textFile("NASA_access_log_Aug95");
sc.close();
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