Quick answer: what infrastructure monitoring is
Infrastructure monitoring tracks the health and capacity of the compute, storage, network and platform resources that applications depend on. Typical targets include hosts, virtual machines, containers, Kubernetes nodes, databases, load balancers and cloud services.
Why infrastructure monitoring matters
Resource pressure, failed nodes, network loss or storage latency can affect many applications at once. Infrastructure telemetry helps determine whether a symptom is caused by the underlying platform or by application logic above it.
What to measure
- CPU, memory and saturation rather than utilization alone
- disk capacity, latency and error signals
- network throughput, loss, connection and DNS indicators
- container or orchestration health and restarts
- cloud-service quotas, throttling and platform events
How to implement it without creating noise
- Inventory resources by service and owner instead of monitoring anonymous hosts.
- Collect a small baseline set of health and saturation metrics.
- Map infrastructure entities to the applications and environments they support.
- Create alerts around sustained risk or user impact and document capacity thresholds that require action.
Common mistakes
- Alerting on every high-utilization spike without context.
- Monitoring hosts but not the managed cloud services that have become dependencies.
- Losing ownership metadata when workloads are short-lived or autoscaled.
How it fits with related monitoring practices
Infrastructure monitoring answers whether the platform is healthy and constrained. APM and tracing explain application transactions, while RUM and synthetics show the user-facing result.
Frequently asked questions
What should I start with?
Start with the resources that host an important service and a small set of saturation, availability and capacity signals that explain whether the infrastructure can serve its workload.
Should I alert on every metric?
Alert on infrastructure conditions only when they require action or strongly predict service impact. High CPU by itself may be healthy; sustained resource exhaustion with queued work is more actionable.
How do I know the setup is working?
Test a known resource constraint or instance failure and confirm ownership, environment, service relationship and recovery evidence are visible to the responder.
Sources and further reading for infrastructure monitoring
Use primary sources for definitions and current product capabilities. The references below were reviewed for this content update.