Actual combat Big Data reading notes

首先说下对这本书的感觉，虽然这貌似是第一本讲述大数据项目案列（基于微博的股票市场预测系统，技术内容的海量视频检索系统，基于HDFSd的云文件系统）的书籍，但是书上面的代码很少，图书馆和网上都没有源码可供下载，甚至电子书都还要买。。。。可能就是因为刚出来吧     再说下HBase的系统架构

http://img.blog.csdn.net/20160506093443453
The support layer HDFs is essential for hbase, and HBase itself does not store data, and the data in the table needs to be persisted to the distributed file system in the form of files. Zookeeper is mainly to solve the Hmaster single node failure problem, when the launch of multiple Hmaseter, by ZK to ensure that only one hmaster in operation.

Actual combat Big Data reading notes