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4 articles tagged #Observability.
P.01A single checkout request might touch five services and nobody can say which one is slow. Distributed tracing fixes that by tagging every hop with one trace ID. Here's how spans, trace IDs, and context propagation actually work, with OpenTelemetry examples.
P.02eBPF lets you attach programs to any kernel hook — network packets, system calls, function calls — without patching the kernel or rebooting. Here's what application developers actually need to know.
P.03Building an AI feature is only half the work. Once it's in production, you need to know when it's drifting, what it's costing, and where it's failing. Here's how to instrument LLM applications properly.
P.04Traditional monitoring tells you a request took 800ms. It doesn't tell you the LLM spent 600ms on a bad prompt, returned a hallucinated answer, and burned $0.04 in tokens. Here's how to actually instrument AI applications with OpenTelemetry.