https://www.pistack.xyz/tags/sre/ Recent content in Sre on Pi Stack Hugo en-us Thu, 23 Apr 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-04-23-sloth-vs-pyrra-vs-slo-generator-self-hosted-slo-management-guide/ Thu, 23 Apr 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-04-23-sloth-vs-pyrra-vs-slo-generator-self-hosted-slo-management-guide/ <p>Service Level Objectives (SLOs) are the cornerstone of modern Site Reliability Engineering. They define the reliability target your service promises to users, translate complex metrics into business-readable goals, and drive engineering decisions through error budget tracking. But implementing SLOs by hand — writing PromQL queries, calculating burn rates, configuring multi-window alerts — is error-prone and scales poorly across teams.</p>