添加文件

hadoop fs -appendToFile /tmp/country.csv /my/country

创建文件夹

hadoop fs -mkdir -p /my/files

删除文件夹

hadoop fs -rm -r -f /my
hadoop fs -rm -r -f /my/files

1、在hadoop on yarn环境基础上, 增加spark配置.
spark-env.sh

HADOOP_CONF_DIR=/usr/local/hadoop34/etc/hadoop
YARN_CONF_DIR=/usr/local/hadoop34/etc/hadoop

workers文件:

slave1

2、运行测试

./bin/spark-submit --master yarn --class org.apache.spark.examples.SparkPi ./examples/jars/spark-examples_2.12-3.5.5.jar 10

# 运行pyspark
./bin/pyspark --master yarn