Observability that follows the node-js call graph.

Stack-aware spans, RED metrics on every route, and event-loop histograms shipped automatically from each Adensabais worker.

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Spans · 1B/dayCardinality · 12MRetention · 30dExport · OTLP

RATE

2.4M rps

Aggregate requests across the fleet.

ERRORS

0.014%

p7d error rate across customer workloads.

DURATION p99

62 ms

End-to-end node js handler latency.

LOOP LAG

1.8 ms

Median event-loop delay across pools.

// Trace

A causal span graph, not a flat list.

Every async hop in the nodejs runtime — Promises, queueMicrotask, setImmediate — appears as a parented span. The slow path becomes obvious.

Auto-instrumented async hooks
Tail-based sampling
OTLP / Prometheus export

trace 8c3f… 124ms
├─ ingress.http              4ms
├─ orders.handler           18ms
│  ├─ pg.query              12ms
│  └─ cache.get              2ms
├─ payments.charge          78ms  ◄ slow
└─ events.publish            6ms