{{{
#!graphviz
digraph g {
  rankdir=LR; 
  subgraph cluster_1 {
   node [shape=box,width=1.0,style=filled,color=red]; 
   label = "Hadoop\n資料處理框架\nData Processing Framework";
   "HDFS"->"MapReduce";
   color=blue;
  }
  subgraph cluster_2 {
    node [shape=box,width=1.0,style=filled,color=green]; 
    label = "MySQL\n資料庫\nDatabase";
    "結構化資料\nStructured\nData";
   color=red;
  }
  node [shape=box,width=1.0,style=filled,color=gray];
  "非結構化資料\nUnstructured\nData" -> "HDFS";
  "MapReduce" -> "結構化資料\nStructured\nData";
}
}}}