mackerelio https://blog.hatena.ne.jp/mackerelio/ Mackerel Docs https://mackerel.io/docs/ This page explains how to send traces from Ruby applications to Mackerel. Overview Requirements Installation 1. Add the gems 2. Initialize settings in initializers 3. Catch error details (optional) Viewing sent traces Overview Mackerel collects traces using the OpenTelemetry mechanism (instrumentati… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmackerel.io%2Fdocs%2Fentry%2Ftracing%2Finstallations%2Fruby" title="Sending traces from Ruby applications to Mackerel - Mackerel Docs" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> https://cdn.user.blog.st-hatena.com/default_entry_og_image/96455881/1654157058686973 Hatena Blog https://hatena.blog 2025-07-11 16:36:22 rich https://mackerel.io/docs/entry/tracing/installations/ruby 1.0 100%