Introduction to Hadoop (straight to topic)
The open source data analysis platform solves the reliable storage and processing of big data (so large that a computer cannot store it, and a computer cannot process it within the required time). It is suitable for processing unstructured data, including HDFS, MapReduce basic components and extended components Pig, Hive, Hbase, Sqoop, Flume, ZooKeeper and Spark, etc.
The following address is the detailed introduction:
http://www.toutiao.com/i6411679311098544641/