tracing

37 Interactive Technology Team

Dec 4, 2023 · Backend Development

Root Cause Analysis of Missing Trace Data in Go Services Using Prometheus Metrics and GZIP Compression

The missing trace data in two Go services was caused by the GoFrame tracing middleware recording the gzip‑compressed /metrics response body as a UTF‑8 string, which the OpenTelemetry exporter rejected as invalid UTF‑8; disabling Prometheus compression or decompressing the body before logging resolves the issue.