文章目录1 序列化概述2 自定义bean对象实现序列化接口（Writable）3 序列化案例实操1 序列化概述2 自定义bean对象实现序列化接口（Writable）在企业开发中往往常用的基本序列化类型不能满足所有需求，比如在Hadoop框架内部传递一个bean对象，那么该对象就需要实现序列化接口。...

一脸懵逼学习Hadoop中的序列化机制——流量求和统计MapReduce的程序开发案例——流量求和统计排序

一：序列化概念序列化（Serialization）是指把结构化对象转化为字节流。反序列化（Deserialization）是序列化的逆过程。即把字节流转回结构化对象。Java序列化（java.io.Serializable）二：Hadoop序列化的特点（1）：序列化格式特点：　　紧凑：高效使用...

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