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hadoopexample's Introduction

Hadoop Example

腾讯俱乐部技术部二面面试题-03数据

Usage

Windows

./gradlew.bat -Pinput=input/ -Poutput=out/ run

Mac & Linux

./gradlew -Pinput=input/ -Poutput=out/ run

Tips:

  • 需使用管理员用户执行命令
  • 需要设置HADOOP_HOME环境变量
  • 命令中的input/output/可以替换为自定义的输入输出目录

Output

省份编号为奇数的城市位于output/part-r-00001文件中,省份编号为偶数的城市位于output/part-r-00000文件中

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