https://www.infoq.com InfoQ Failure feed https://www.infoq.com/articles/capacity-planning-queue-recovery/?utm_campaign=infoq_content&utm_source=infoq&utm_medium=feed&utm_term=Failure <img src="https://res.infoq.com/articles/capacity-planning-queue-recovery/en/headerimage/The-Mathematics-of-Backlogs-Capacity-Planning-for-Queue-Recovery-header-1778227922596.jpg"/><p>Backlogs in distributed systems are arithmetic problems, not mysteries. This article provides practical formulas for calculating backlog drain time, sizing consumer headroom, and setting auto-scaling triggers. It covers key failure modes — retry amplification, metastable states, and cascading pipeline bottlenecks — plus when to shed load instead of draining.</p> <i>By Rajesh Kumar Pandey</i> Load Testing Failure Capacity Planning Queue DevOps Architecture & Design article Thu, 21 May 2026 09:00:00 GMT https://www.infoq.com/articles/capacity-planning-queue-recovery/?utm_campaign=infoq_content&utm_source=infoq&utm_medium=feed&utm_term=Failure Rajesh Kumar Pandey 2026-05-21T09:00:00Z /articles/capacity-planning-queue-recovery/en https://www.infoq.com/news/2026/05/discord-circular-dependency/?utm_campaign=infoq_content&utm_source=infoq&utm_medium=feed&utm_term=Failure <img src="https://res.infoq.com/news/2026/05/discord-circular-dependency/en/headerimage/generatedHeaderImage-1778423772865.jpg"/><p>Discord has released a detailed postmortem on its March 25, 2026, voice outage, revealing that a previously undetected circular dependency in its voice infrastructure triggered a cascading failure that disrupted voice services across the platform.</p> <i>By Craig Risi</i> Code Quality Software Engineering Failure DevOps Development news Fri, 15 May 2026 12:00:00 GMT https://www.infoq.com/news/2026/05/discord-circular-dependency/?utm_campaign=infoq_content&utm_source=infoq&utm_medium=feed&utm_term=Failure Craig Risi 2026-05-15T12:00:00Z /news/2026/05/discord-circular-dependency/en