{
  "name": "Edge and proxy",
  "description": "Load balancers, reverse proxies and the outbound web proxy -- what reaches the estate and what leaves it",
  "default_earliest": "-24h",
  "default_latest": "now",
  "panels": [
    {
      "title": "Balanced requests",
      "query": "service=haproxy | stats count",
      "viz_type": "single_stat",
      "position_x": 0,
      "position_y": 0,
      "width": 3,
      "height": 3,
      "query_language": "spl",
      "sort_order": 0
    },
    {
      "title": "Backend 5xx",
      "query": "service=haproxy | where status>=500 | stats count",
      "viz_type": "single_stat",
      "position_x": 3,
      "position_y": 0,
      "width": 3,
      "height": 3,
      "query_language": "spl",
      "sort_order": 1
    },
    {
      "title": "Proxy denials",
      "query": "service=squid proxy_action=\"TCP_DENIED/403\" | stats count",
      "viz_type": "single_stat",
      "position_x": 6,
      "position_y": 0,
      "width": 3,
      "height": 3,
      "query_language": "spl",
      "sort_order": 2
    },
    {
      "title": "Slowest backend (avg ms)",
      "query": "service=haproxy | stats avg(duration_ms) as avg_ms by backend | sort -avg_ms | head 1",
      "viz_type": "single_stat",
      "position_x": 9,
      "position_y": 0,
      "width": 3,
      "height": 3,
      "query_language": "spl",
      "sort_order": 3
    },
    {
      "title": "Requests per backend, by balancer",
      "query": "service=haproxy | stats count by backend, host | sort -count",
      "viz_type": "bar",
      "position_x": 0,
      "position_y": 3,
      "width": 12,
      "height": 5,
      "viz_config": {
        "x_column": "backend",
        "value_column": "count",
        "series_column": "host",
        "stacked": "true"
      },
      "query_language": "spl",
      "sort_order": 4
    },
    {
      "title": "Backend latency",
      "query": "service=haproxy | stats avg(duration_ms) as avg_ms by backend | sort -avg_ms",
      "viz_type": "bar",
      "position_x": 0,
      "position_y": 8,
      "width": 6,
      "height": 5,
      "viz_config": {
        "x_column": "backend",
        "value_column": "avg_ms"
      },
      "query_language": "spl",
      "sort_order": 5
    },
    {
      "title": "Outbound destinations",
      "query": "service=squid | stats count by dest_host | sort -count | head 10",
      "viz_type": "top_n",
      "position_x": 6,
      "position_y": 8,
      "width": 6,
      "height": 5,
      "viz_config": {
        "label_column": "dest_host",
        "value_column": "count"
      },
      "query_language": "spl",
      "sort_order": 6
    },
    {
      "title": "Status by backend",
      "query": "service=haproxy | stats count by backend, status",
      "viz_type": "heatmap",
      "position_x": 0,
      "position_y": 13,
      "width": 12,
      "height": 5,
      "viz_config": {
        "x_column": "backend",
        "y_column": "status",
        "value_column": "count"
      },
      "query_language": "spl",
      "sort_order": 7
    }
  ]
}