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spark下载地址:
#解压: tar -xzvf spark-2.4.0-bin-hadoop2.6.tgzcd spark-2.4.0-bin-hadoop2.6#执行命名 进入控制台./bin/spark-shellvar lines = sc.textFile("README.md")lines.count()lines.first()lines.take(1)val linesWithApache = lines.filter(line => line.contains("Apache"))#退出:quit
cp spark-env.sh.template spark-env.sh
#spark-env.shexport JAVA_HOME=/usr/java/jdk1.8.0_151export SPARK_MASTER_IP=localhostexport SPARK_LOCAL_IP=localhostexport SPARK_MASTER_PORT=7077export SPARK_WORKER_CORES=1export SPARK_WORKER_INSTANCES=1export SPARK_WORKER_MEMORY=1g
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