Observability
The ability to understand the internal state and health of a complex software system strictly by analyzing the external telemetry data it emits.
What it is
While telemetry is the raw data, observability is what you do with it. Highly observable systems allow engineers to ask arbitrary, new questions about their software's behavior during a sudden outage. It involves deeply correlating logs, metrics, and traces so a developer can quickly pinpoint exactly why an AI agent failed in production without needing to deploy new debugging code.
When you would use it
You focus on observability when architecting enterprise systems to ensure that when the software inevitably breaks, your team has enough correlated context to fix it rapidly.
Common operations
- Tracing a slow user request through five different microservices to find the bottleneck.
- Diagnosing why a specific subset of users experienced failed database writes.
Related terms
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