Name: Beyond Fork(): Memory-Efficient Snapshots & Full Sync for Valkey - Jim Brunner, Amazon AWS
Start: 2026-10-05T12:20:00+0200
End: 2026-10-05T12:40:00+0200

5 October 2026 | Prague, Czechia
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Beyond Fork(): Memory-Efficient Snapshots & Full Sync for Valkey - Jim Brunner, Amazon AWS

Monday October 5, 2026 12:20 - 12:40 CEST

Chamber Hall, Level 3

Why should a 50GB database require 100GB of RAM just to take a backup or sync to a replica? Valkey’s Forkless Save & Sync capabilities decouple data persistence from the memory-intensive forking process, eliminating the memory spikes that lead to out-of-memory (OOM) issues. We will compare traditional fork-based persistence against the new forkless model, highlighting the impact on system resource utilization. Learn how Valkey helps you configure your clusters for true operational stability.

Forkless Save/Sync is one of the most anticipated features coming to Valkey. The talk at Unlocked/Seattle was well regarded. This talk will cover similar material, but will have increased focus on full-sync.

While fork/forkless is a fairly advanced topic, the concepts are introduced with suitable foundation such that beginners will be able to understand the concepts and impacts. The talk is designed to appeal to all audiences, while still capturing the attention of advanced engineers.

Note: I'm answering "no" to "presented this talk before" because I'll be changing some of the content. However, yes, most of it will come from my presentation at Unlocked/Seattle.

Speakers

Jim Brunner

Valkey Maintainer, Amazon AWS

Born in the age of "core memory", Jim has developed software on everything from mainframes to microcontrollers and has coded in dozens of languages. He is passionate about APIs, algorithms, and performance, with a deep respect for maintainability and operational excellence. When not... Read More →

Monday October 5, 2026 12:20 - 12:40 CEST
Chamber Hall, Level 3

Features (Valkey 10.0)

Audience Level Intermediate

ValkeyConf 2026

Jim Brunner

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ValkeyConf 2026

Jim Brunner

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