我只是个小学生 能力有限 一直抱着学习的态度

[root@hadoop000 bin]# ./spark-submit --master local[2] --jars /root/app/spark-2.3.0-bin-2.6.0-cdh5.7.0/jars/elasticsearch-spark-20_2.11-6.3.0.jar /root/app/spark-2.3.0-bin-2.6.0-cdh5.7.0/python/spark0...

# coding: utf-8import sysimport ospre_current_dir = os.path.dirname(os.getcwd())sys.path.append(pre_current_dir)from pyspark.sql import SparkSessionfrom pyspark.sql.types import *from pyspark....

#下载https://www.elastic.co/cn/downloads/past-releases#elasticsearch

Azkaban运行模式solo-server数据信息存储在H2 ==> Mysqlwebserver和execserver是运行在同一个进程中the heavier weight two server mode数据信息存储在Mysql，在生产上一定要做主备webserver和execserver是运行在不同的进程中的distributed multiple-executor m...

java 环境搭建Scala环境搭建Hadoop环境搭建Maven环境搭建python3环境部署Spark源码编译及部署一、java环境搭建二、Scala环境搭建三、 Hadoop环境搭建...

地址 /root/app/spark-2.3.0-bin-2.6.0-cdh5.7.0/python 里面运行from pyspark import SparkConf,SparkContextif __name__ == '__main__': conf = SparkConf().setMaster("local[2]").setAppName("spark0401"...

Local模式:开发简单的集群管理，自带的–master–name–py-fileshttp://spark.apache.org/docs/latest/spark-standalone.html#installing-spark-standalone-to-a-clusterstandalonehdfs ： 主根NameNode 从根 DataNodeyarn: ...

Spark 核心概念Spark运行架构及注意事项Spark和Hadoop重要概念区分Spark Cache详解Spark Lineage 详解Spark Dependency详解