direction: right

app: "Application"

un_serveur: "Partitioning: a single server" {
  table: "incidents table\n(one view for the application)" { class: accent }
  base: "Database" {
    p1: "January\npartition"
    p2: "February\npartition"
    p3: "March\npartition"
  }
  table -> base.p1
  table -> base.p2
  table -> base.p3
}

plusieurs: "Sharding: several servers" {
  routage: "Routing by\nthe shard key" { class: accent }
  s1: "Server A\nshard 1" {
    d1: "Servers 1 to 500" { shape: cylinder }
  }
  s2: "Server B\nshard 2" {
    d2: "Servers 501 to 1000" { shape: cylinder }
  }
  s3: "Server C\nshard 3" {
    d3: "Servers 1001 to 1500" { shape: cylinder }
  }
  routage -> s1.d1
  routage -> s2.d2
  routage -> s3.d3
}

app -> un_serveur.table: "one request" { class: principal }
app -> plusieurs.routage: "one request" { class: principal }