---
title: "From your past systems, what DTO mistake caused memory pressure over time?"
url: https://daily.dev/posts/from-your-past-systems-what-dto-mistake-caused-memory-pressure-over-time--sa9wwibjr
source_url: https://www.youtube.com/watch?v=ywjr-vgcI2Q
type: video:youtube
source: "Rebeloper"
published: 2026-05-12T08:36:34.005Z
updated: 2026-05-12T08:36:47.920Z
tags: ["domain-driven-design"]
reading_time: 1
upvotes: 0
comments: 0
language: en
---

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# From your past systems, what DTO mistake caused memory pressure over time?

**[Rebeloper](https://daily.dev/sources/rebeloper)** · 1 min read · 0 upvotes · 0 comments

## Summary

Keeping raw DTOs in memory alongside domain models causes gradual memory pressure over time due to duplicated data layers. The fix is to drop DTOs immediately after mapping to domain models, maintaining a single source of truth and reducing memory overhead.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://www.youtube.com/watch?v=ywjr-vgcI2Q>

---

Tags: [#domain-driven-design](https://daily.dev/tags/domain-driven-design)

[View this post on daily.dev](https://daily.dev/posts/from-your-past-systems-what-dto-mistake-caused-memory-pressure-over-time--sa9wwibjr)