Mario Valente — SRE NotesSite Reliability, observability, and infrastructure notes.https://mario-valente-sre-blog.pages.dev/Profiling vs Metrics: Finding the Problem Straight in the Code with Pyroscopehttps://mario-valente-sre-blog.pages.dev/en/blog/profiling-vs-metrics-pyroscope/https://mario-valente-sre-blog.pages.dev/en/blog/profiling-vs-metrics-pyroscope/Metrics tell you something is wrong, profiling shows you where. An introduction to continuous profiling with Grafana Pyroscope and a Go POC you can run on your own machine.Tue, 20 Oct 2026 00:00:00 GMTProfiling vs métricas: achando o problema direto no código com Pyroscopehttps://mario-valente-sre-blog.pages.dev/pt/blog/profiling-vs-metricas-pyroscope/https://mario-valente-sre-blog.pages.dev/pt/blog/profiling-vs-metricas-pyroscope/Métricas avisam que tem algo errado, profiling mostra onde está. Uma introdução a continuous profiling com Grafana Pyroscope e uma POC em Go para você rodar na sua máquina.Tue, 20 Oct 2026 00:00:00 GMTIs Chaos Engineering Really Useful?https://mario-valente-sre-blog.pages.dev/en/blog/chaos-engineering-is-it-really-useful/https://mario-valente-sre-blog.pages.dev/en/blog/chaos-engineering-is-it-really-useful/Some thoughts on chaos, resilience and reliability, plus a practical introduction to LitmusChaos: experiments, probes and the most common fault types.Wed, 07 Oct 2026 00:00:00 GMTChaos Engineering é mesmo útil?https://mario-valente-sre-blog.pages.dev/pt/blog/chaos-engineering-e-mesmo-util/https://mario-valente-sre-blog.pages.dev/pt/blog/chaos-engineering-e-mesmo-util/Alguns pensamentos sobre caos, resiliência e confiabilidade, e uma introdução prática ao LitmusChaos: experimentos, probes e os tipos de fault mais comuns.Wed, 07 Oct 2026 00:00:00 GMT