All articles on Traces ⏤ Last9

Capturing HTTP Request and Response Bodies in .NET Traces with PHI Redaction

> Standard OTel .NET instrumentation captures headers, status codes, and timing — not request or response bodies. Here's how to add body capture to your traces while keeping PHI out of your observability backend.

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Prathamesh Sonpatki

Fixing Broken Traces in GCP Cloud Run: A Custom OpenTelemetry Propagator

GCP's load balancer silently rewrites your traceparent header, orphaning spans in any OTLP backend. Here's the custom propagator that fixes it.

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Prathamesh Sonpatki

LLM Observability: Importance, Best Practices, and Steps

What is LLM Observability? A Complete Guide (with OpenTelemetry)

> LLM observability is the practice of tracking what goes into an LLM, what comes out, and everything in between — latency, token usage, errors, and model behavior — so you can debug, optimize, and trust AI applications in production.

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Prathamesh Sonpatki