{
  "aggs": {
    "histogram": "SELECT lb_status_code, target_status_code, http_request_path as path, count(lb_status_code) as count, avg(target_processing_time) as avg_target_processing_time FROM query GROUP BY lb_status_code, target_status_code, path ORDER BY count DESC limit 20"
  },
  "query": {
    "sql": "select * from requests where lb_status_code >= 400"
  },
  "meta": {
    "title": "requests with status code > 400",
    "columns": ["path", "lb_status_code", "target_status_code", "avg_target_processing_time", "count"]
  }
}