Observability = Logs + Metrics + Traces trio. 2026 Africa: growing Datadog, Grafana Cloud, Honeycomb adoption. Open standard OpenTelemetry.
TL;DR
- Observability: 3 pillars logs + metrics + traces.
- SaaS: Datadog, New Relic, Honeycomb, Grafana Cloud.
- Self-hosted: Prometheus + Grafana + Loki + Tempo.
- OpenTelemetry: 2026 open standard.
2026 stack
SaaS leaders :
- Datadog: all-in-one, premium ($31-$70/host)
- New Relic: full-stack ($25-$99/user)
- Honeycomb: tracing-first ($130/user)
- Grafana Cloud: open source SaaS ($8-$50/user)
- Splunk: enterprise logs
Self-hosted :
- Prometheus + Grafana (metrics)
- Loki (logs)
- Tempo / Jaeger (tracing)
- Alertmanager (alerts)
- Total: open source but ops overhead
Hybrid :
- Grafana Cloud Free 10K series + 50GB logs
- Datadog free 5 hosts
OpenTelemetry standard
Why OTel :
- Vendor-neutral (no lock-in)
- 1 SDK for 3 pillars
- Auto-instrumentation Java, Python, Node
- Massive 2024-26 industry adoption
Setup :
- otelcol (collector)
- App SDKs
- Export to Datadog, Grafana, etc.
Essential metrics
USE method (resources) :
- Utilization
- Saturation
- Errors
RED method (services) :
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- Rate (req/s)
- Errors (% req failed)
- Duration (latency p50, p95, p99)
Golden signals (Google SRE) :
- Latency
- Traffic
- Errors
- Saturation
SLI/SLO :
- 99.9% uptime = 43 min downtime/month
- 99.99% = 4 min/month
- SLO-based error budget
Africa costs
SaaS :
- Datadog 10 hosts: 300-700$/month
- Grafana Cloud Pro: 50-200$/month
- Honeycomb: 130-500$/month
Self-hosted :
- Compute: 50-200$/month
- Storage: 30-100$/month
- Ops 1 engineer 20% time
- Choice : <50 services = Grafana Cloud Free + open source
FAQ
Q: Logs vs metrics vs traces?
A: Logs = detailed events. Metrics = time aggregates. Traces = distributed flow. All 3 essential.
Q: How much retention?
A: Logs 30d hot, 90d warm, 1y cold. Metrics 13 months. Traces 7-30 days.
Conclusion
2026 observability prod monitoring: OpenTelemetry standard + volume-fit stack. SaaS if <50 services, self-hosted if scale + SRE team. 300-1500$/month starter. ROI: MTTR divided by 5-10.
Mohamed Bah
Fondateur, Kolonell
Passionate about digital and entrepreneurship in Africa, Mohamed has been helping Sénégalese businesses with their digital transformation since 2020. Founder of Kolonell, he believes every SME deserves a professional and accessible online présence.