<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>CNCF on Matheus Oliveira</title><link>https://blog.omatheusmesmo.dev/en/tags/cncf/</link><description>Recent content in CNCF on Matheus Oliveira</description><image><title>Matheus Oliveira</title><url>https://blog.omatheusmesmo.dev/images/duke.svg</url><link>https://blog.omatheusmesmo.dev/images/duke.svg</link></image><generator>Hugo -- 0.146.0</generator><language>en-us</language><lastBuildDate>Sat, 08 Aug 2026 12:00:00 -0300</lastBuildDate><atom:link href="https://blog.omatheusmesmo.dev/en/tags/cncf/index.xml" rel="self" type="application/rss+xml"/><item><title>Observability in Practice: Why Instrument, and How Quarkus Makes It Cheap</title><link>https://blog.omatheusmesmo.dev/en/posts/observability-quarkus-opentelemetry/</link><pubDate>Sat, 08 Aug 2026 12:00:00 -0300</pubDate><guid>https://blog.omatheusmesmo.dev/en/posts/observability-quarkus-opentelemetry/</guid><description>A practical guide to observability with OpenTelemetry and Quarkus. The Grafana LGTM Dev Service, JDBC instrumentation with no annotations, MDC, JFR correlated by trace id, and the instrumentation mistakes that fail in silence.</description></item></channel></rss>