LetheDB.diag

# LetheDB.diag

blockdiag {
  default_fontsize=20;

  // Set node metrix
  node_width = 200;  // default value is 128
  node_height = 100;  // default value is 40

  // Set span metrix
  span_width = 200;  // default value is 64
  span_height =100;  // default value is 40

  // set default shape
  default_shape = roundedbox;  // default value is 'box'

  // set default colors
  default_group_color = salmon;

  "Mobile\nDevices" [stacked, width=90];
  "Mobile User" [shape=actor];
  "Customer" [shape=actor];
  "Browser\nConsole\napp" [width=100]

  group {
    orientation=portrait;
    color=white;
    "Mobile\nDevices" -> "Mobile User" [color=white];
  }
  "Mobile\nDevices" -> "Software\nLoad Balancer" [label="500 M devices\ndaily nonstop"];
  "LDB:\nLetheDB &\nStream Processor" [stacked];
  "Software\nLoad Balancer" -> "LDB:\nLetheDB &\nStream Processor" [label="2500+ rps\nper node"];

  "LDB:\nLetheDB &\nStream Processor" <- "Google\nApp Engine";

  group {
    orientation=portrait;
    color=white;
    "Google\nApp Engine" -> "Browser\nConsole\napp";
    "Browser\nConsole\napp" -> "Customer" [color=white];
  }

  "Software\nLoad Balancer" -> "LDBx:\ntest in\nproduction env" [label="mirrored\ntraffic\n"];

  group {
    "LDB:\nLetheDB &\nStream Processor";
  }
}