https://www.hascode.com/tags/utilization/ Recent content in Utilization on Micha Kops' Tech Notes Hugo -- 0.147.8 en Copyright © 2010 - 2025 Micha Kops. #213243b1d6e8932079e09227d3f3ed0c806cd0c9 Mon, 01 Mar 2010 00:00:00 +0100 https://www.hascode.com/observability-snippets/ Mon, 01 Mar 2010 00:00:00 +0100 https://www.hascode.com/observability-snippets/ <div class="sect1"> <h2 id="_the_use_methodology">The USE Methodology</h2> <div class="sectionbody"> <div class="paragraph"> <p><strong>USE</strong> stands for <strong>Utilization</strong>, <strong>Saturation</strong>, and <strong>Errors</strong>. Developed by Brendan Gregg, it’s a low-level diagnostic tool for infrastructure and system resources.</p> </div> <div class="ulist"> <ul> <li> <p><strong>Utilization</strong> – How much of a resource is used? (e.g., 70% CPU)</p> </li> <li> <p><strong>Saturation</strong> – Is the system over capacity? (e.g., CPU run queue)</p> </li> <li> <p><strong>Errors</strong> – Are there hardware or system faults? (e.g., disk errors)</p> </li> </ul> </div> <div class="paragraph"> <p><strong>Best for</strong>: Bottleneck analysis on servers, network, disk, memory</p> </div> <div class="paragraph"> <p>Source: <a href="https://grafana.com/docs/grafana/latest/dashboards/build-dashboards/best-practices/" class="bare">https://grafana.com/docs/grafana/latest/dashboards/build-dashboards/best-practices/</a></p> </div> </div> </div> <div class="sect1"> <h2 id="_the_red_methodology">The RED Methodology</h2> <div class="sectionbody"> <div class="paragraph"> <p><strong>RED</strong> focuses on service-level performance and is tailored for microservices and HTTP-based systems.</p> </div>