1.学习并理解如何使用 Hadoop，学会在 Hadoop 中运行简单的程序，了解其运
行过程。
2.通过学习生产者/消费者问题理解多线程同步问题。
1.在 Linux 环境下建立大数据处理框架
（1）学习 Hadoop 的相关知识。
（2）安装并配置 Hadoop 环境。
（3）在 Hadoop 上执行 WordCount 示例。
2. 实现生产者/消费者同步问题
（1）在 linux 系统中学习信号量的使用。
（2）执行生产者与消费者模型。(1. learn and understand how to use Hadoop, learn to run simple programs in Hadoop and understand its operation.
Line process.
2., we understand multithreading synchronization by studying the producer / consumer problem.
1. building a large data processing framework under the Linux environment
(1) learn the relevant knowledge of Hadoop.
(2) install and configure the Hadoop environment.
(3) execute the WordCount example on Hadoop.
2. realization of Producer / consumer synchronization
(1) learn the use of semaphore in Linux system.
(2) implement the model of producer and consumer.)