云计算与大数据概论--金功勋

week4的

week5 Hadoop介绍

起源：

Hadoop as a solution:

Building blocks:

Namenode

if other nodes fail:

DataNode:



Block 1

Secondary Namenode:

JobTracker：

if fails：

Topolosy cluster

Pig：

Hive :

PIG

week10

week13：