spark scala course

CodePackage Spark_1import Org.apache.spark.SparkConfimport org.apache.spark.SparkContextclassWorkcounttest {// Custom Function def Jisuan () { //Data file path varloadfile="hdfs://Server ip:8020/tmp/datatest/z";　//Initialize Sparkcontext varconf=Newsparkconf (); Conf.setappname ("Workcountzhangxs"); Conf.setmaster ("spark://Server ip:7077") varSc=Newsparkcontext (conf); //Read files from HDFs varFilerdd=sc.textfile (LoadFile,2); //filter out cha

about regular expressions in Scala in conjunction with pattern matching regThe implementation of regular expressions: Regular expressions are defined in the same way as other languages, simply by adding an. R to the expression, and you can iterate through the corresponding expression to match // regular expression defined val regex= "" "([0-9]+) ( [a-z]+] "". R // A constant of numbers and letters Val Numpattern = "[0-9]+". R // constant with num

Package Cn.dowhatyouwant.codes/** * Created by Dengni on 2016/8/31. * Scala is a dynamic language, static type, because difficult, so easy to use * spark too good everyone should go to learn, use * Learning Spark preferred Scala Python * based on JVM FP + oo * and Java Interop * Interpreter ==

Introduction OK. The time has passed for another week. The first week has a May Day holiday, so I feel that the time is more than enough. In the middle of this week, no holiday can only be digested by evening and weekend time. In fact, it is still a little nervous! Later, we found that the video of each course also had corresponding courseware (Slide) and subtitles (subtitles) that could be downloaded. In this way, the download of video learning and o

Spark Version Customization Course-1th lesson1. Learn this course to improve spark yourself, or add functionality to spark. Adding features that some officials do not provide, this course hopes to have some of the top

Chengdu Big Data Hadoop and Spark technology training course China Information Training Center has launched the Big Data Technology architecture and application of practical training courses, through professional big data Hadoop and Spark technology architecture system and the industry real case to comprehensively improve the work of big Data engineer, devel

Video lessons include:18 Palm Xu Peicheng Teacher Employment class full set of Big Data video 86G contains: Hadoop, Hive, Linux, Hbase, ZooKeeper, Pig, Sqoop, Flume, Kafka, Scala, Spark, R Language Foundation, Storm Foundation, Redis basics, projects, and more!2018 the most fire may be the number of big data, here to you according to a certain way to organize a full set of big Data video tutorials, covering

Main contents of the course: Construction of 1.spark experimental environment 2.4 Lab contents 3. Common functions 4. Variable sharing1.Spark Lab Environment Setup (Windows)A. Download, install Visualboxrun as Administrator; The course requires the latest version of 4.3.28, if you encounter a virtual machine in C canno