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Summary: Hadoop

One 、 Introduce

Hadoop It's a data storage and processing platform

Two 、 Core components

It contains three core components :HDFS,YARN,MapReduce

HDFS

distributed file system .

HDFS Relaxed (relax)POSIX The requirements of  .

YARN

Resource scheduling system

MapReduce

Distributed computing framework

 

 

 

 

 

Reference resources :

24 Hour self study Hadoop( One )

 

 

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