《Hadoop:The Definitive Guide 4th Edition》Chapter 1 Meet Hadoop
WeliveinthedataageInanutshell,thisiswhatHadoopprovides:areliable,scalableplatformforstorageandanalysis.What’smore,becauseitrunsoncommodityhardwareandisopensource,Hadoopisaffordable.Forallitsstrengths,