nodeGraph

{
  "id": "p_map",
  "type": "nodeGraph",
  "title": "Service map",
  "gridPos": {
    "x": 12,
    "y": 16,
    "w": 12,
    "h": 8
  },
  "datasource": "ch",
  "queries": [
    {
      "query": "SELECT concat(p.ServiceName, ' -> ', c.ServiceName) AS id, p.ServiceName AS source, c.ServiceName AS target, count() AS mainstat FROM otel_traces AS c INNER JOIN otel_traces AS p ON c.ParentSpanId = p.SpanId AND c.TraceId = p.TraceId WHERE $__timeFilter(c.Timestamp) AND $__timeFilter(p.Timestamp) AND p.ServiceName != c.ServiceName GROUP BY source, target LIMIT 200",
      "format": "table"
    }
  ],
  "display": {
    "layout": "layered"
  }
}