mvn clean package
cd target
hadoop jar hadoop-tset-1.0-SNAPSHOT.jar WordCount
// hadoop fs -rm -r hdfs://localhost:9000/user/su/output-008
- 序列化：Writable 接口
- 定制Writable 接口
- 基于文件的数据接口
- SequenceFile(可作为小文件容器)
mvn clean package
cd target
hadoop jar hadoop-tset-1.0-SNAPSHOT.jar WordCount
// hadoop fs -rm -r hdfs://localhost:9000/user/su/output-008