The Myth of Low Latency: Why Event Meshes Make Your System Slow

May 23, 2026 · 6:14 PM UTC ·2 min read · 0 reactions · 0 comments · 24 views

#webdev #programming #architecture #systems

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The article discusses the challenges faced by Veltrix when transitioning from a monolithic service to an event mesh architecture. Initially using Apache Kafka, they encountered high failure rates and latency issues, leading to a switch to RabbitMQ's Request-Response model. This change resulted in improved request success rates but increased overall latency, prompting a reconsideration of their architecture strategy.

Key facts

▪Veltrix experienced high failure rates in their monolithic service, prompting a shift to an event mesh architecture.
▪The initial implementation with Apache Kafka led to significant request retries and dead-letter queue messages due to its limitations.
▪Switching to RabbitMQ's Request-Response event mesh reduced failure rates significantly but increased request latency.

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Canonical URL	https://dev.to/dev-architecture-blog/the-myth-of-low-latency-why-event-meshes-make-your-system-slow-45a5
Publication time	Sat, 23 May 2026 18:14:49 +0000
Retrieval time	2026-05-23T18:37:27.620Z
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Opening excerpt (first ~120 words) tap to expand

try { if(localStorage) { let currentUser = localStorage.getItem('current_user'); if (currentUser) { currentUser = JSON.parse(currentUser); if (currentUser.id === 3942461) { document.getElementById('article-show-container').classList.add('current-user-is-article-author'); } } } } catch (e) { console.error(e); } Lillian Dube Posted on May 23 The Myth of Low Latency: Why Event Meshes Make Your System Slow #webdev #programming #architecture #systems The Problem We Were Actually Solving At Veltrix we had a simple monolithic service that handled everything - orders, products, inventory etc which resulted in high failure rates (30-40 % in extreme cases) on certain pages during peak hours. We wanted to break it down and decouple it with the event mesh to solve the high failure rates.

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