cache pattern

cache-aside-store-data.gv

@startdot
digraph g {
  graph [bgcolor="transparent"];
  rankdir=TB;
  ranksep=0.1;
  "application" [ shape=circle style = "filled" penwidth = 1 fillcolor = "white" label="app" ];
  "cache" [ style="filled,rounded" shape=mrecord color="#9c27b0" fillcolor="#9c27b0" xlabel="Cache" label=<<table border="0" cellborder="1" cellpadding="10" bgcolor="white"><tr><td bgcolor="red" PORT="entry"></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td></tr></table>> ];
  "data_store" [ style="filled" shape=folder color="#64b5f6" fillcolor="#64b5f6" xlabel="Data Store" label=<<table border="0" cellborder="1" cellpadding="10" bgcolor="white"><tr><td bgcolor="red" PORT="entry"></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td></tr><tr><td></td><td></td><td></td><td></td><td></td></tr></table>>];
  cache:entry:nw -> application [ penwidth = 1 fontsize = 20 fontcolor = "black" label = "1" ];
  application -> data_store [label="2"];
  application -> cache:entry [penwidth = 1 fontsize = 20 label="3"];
}
@enddot