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Service
Resource/Operation
Database System
Golden Signals
Traffic
P95 Latency
Error Rate
Apdex Score
System Overview
Active Services
Total Requests
DB Systems
Unique Endpoints
Services Health
SQL
SELECT resource___service___name as service_name, ROUND((SUM(CASE WHEN duration <= 500000000 THEN 1.0 WHEN duration <= 2000000000 THEN 0.5 ELSE 0 END)) / GREATEST(1, COUNT(*))::numeric, 2) as apdex, ROUND((COUNT(*)::numeric / GREATEST(1, EXTRACT(EPOCH FROM (MAX(timestamp) - MIN(timestamp))) / 60)), 2) as throughput, ROUND((COUNT(*) FILTER (WHERE status_code = 'ERROR' OR COALESCE(attributes___http___response___status_code, 0) >= 500) * 100.0 / GREATEST(1, COUNT(*))::numeric), 2) as error_rate, ROUND((approx_percentile(0.95, percentile_agg(duration))::numeric / 1000000), 2) as p95_latency FROM otel_logs_and_spans WHERE project_id='{{project_id}}' AND resource___service___name IS NOT NULL AND kind = 'server' AND duration IS NOT NULL {{time_filter}} GROUP BY resource___service___name ORDER BY {{table_sort}} LIMIT 50
Events by Service
KQL
resource.service.name != null
| summarize count() by bin_auto(timestamp), resource.service.name
| order by timestamp desc
| limit 10000
Error Rates by Service
KQL
status_code == "ERROR" and resource.service.name != null
| summarize count() by bin_auto(timestamp), resource.service.name
| order by timestamp desc
| limit 10000
HTTP Request Volume by Service
KQL
resource.service.name != null and kind == "server"
| summarize count() by bin_auto(timestamp), resource.service.name
| order by timestamp desc
| limit 10000
HTTP Requests by Status Code
KQL
(kind == "server" or name == "apitoolkit-http-span" or name == "monoscope.http") and attributes.http.response.status_code != null
| summarize count() by bin_auto(timestamp), coalesce(tostring(attributes.http.response.status_code), "unknown")
| order by timestamp desc
| limit 10000
HTTP Errors (4xx & 5xx) - Incoming
KQL
(kind == "server" or name == "apitoolkit-http-span" or name == "monoscope.http") and attributes.http.response.status_code != null and attributes.http.response.status_code >= 400
| extend error_category = case(attributes.http.response.status_code >= 500, "5xx", attributes.http.response.status_code >= 400, "4xx", tostring(attributes.http.response.status_code))
| summarize count() by bin_auto(timestamp), error_category
| order by timestamp desc
| limit 10000
Request Latency Percentiles
KQL
(kind == "server" or name == "apitoolkit-http-span" or name == "monoscope.http") and duration != null
| summarize percentiles(duration, 50, 75, 90, 95, 99) by bin_auto(timestamp)
| order by timestamp desc
Database Health
SQL
SELECT
  attributes___db___system___name as db_system,
  COUNT(*) as queries,
  ROUND((AVG(duration) / 1e6)::numeric, 2) as avg_ms,
  ROUND((COUNT(*) FILTER (WHERE status_code = 'ERROR') * 100.0 / GREATEST(1, COUNT(*)))::numeric, 2) as error_rate
FROM otel_logs_and_spans
WHERE project_id='{{project_id}}'
  AND attributes___db___system___name IS NOT NULL
  AND duration IS NOT NULL
  {{time_filter}}
GROUP BY db_system
ORDER BY {{table_sort}}
Requests by Endpoint
SQL
WITH top_endpoints AS (
  SELECT 
    attributes___http___request___method || ' ' || attributes___url___path as endpoint,
    COUNT(*) as total_count
  FROM otel_logs_and_spans
  WHERE project_id='{{project_id}}'
    AND (kind = 'server' OR name = 'apitoolkit-http-span' OR name = 'monoscope.http')
    AND attributes___http___response___status_code IS NOT NULL
    AND attributes___url___path IS NOT NULL
    {{time_filter}}
  GROUP BY endpoint
  ORDER BY total_count DESC
  LIMIT 10
)
SELECT 
  extract(epoch from time_bucket('{{rollup_interval}}', o.timestamp))::integer AS time,
  o.attributes___http___request___method || ' ' || o.attributes___url___path as endpoint,
  COUNT(*)::float as count
FROM otel_logs_and_spans o
INNER JOIN top_endpoints t ON (o.attributes___http___request___method || ' ' || o.attributes___url___path) = t.endpoint
WHERE o.project_id='{{project_id}}'
  AND (o.kind = 'server' OR o.name = 'apitoolkit-http-span' OR o.name = 'monoscope.http')
  {{time_filter}}
GROUP BY time, o.attributes___http___request___method, o.attributes___url___path
ORDER BY time DESC
Custom Test A
KQL
level == "ERROR" or "WARN"