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Development

Featured in Development

When Every Bit Counts: How Valkey Rebuilt Its Hashtable for Modern Hardware

Madelyn Olson discusses the evolution of Valkey's data structures, moving away from "textbook" pointer-chasing HashMaps to more cache-aware designs. She explains the implementation of "Swedish" tables to maximize memory density. She shares insights on systems intuition, memory prefetching, and the rigorous testing needed for mission-critical caches.

All in development

Architecture & Design

Featured in Architecture & Design

Panel: Taking Architecture out of the Echo Chamber

Andrew Harmel-Law and a panel of expert architects discuss the shifting practice of architecture in 2025. They explain strategies for communicating technical debt to stakeholders, the benefits of decentralized decision-making through ADRs, and the career paths of modern leaders. The panel shares insights on bridging the gap between mobile and backend teams to ensure a holistic system.

All in architecture-design

AI Infrastructure

Featured in AI, ML & Data Engineering

Context Engineering with Adi Polak

In this episode, Thomas Betts and Adi Polak talk about the need for context engineering when interacting with LLMs and designing agentic systems. Prompt engineering techniques work with a stateless approach, while context engineering allows AI systems to be stateful.

All in ai-ml-data-eng

Culture & Methods

Featured in Culture & Methods

A Better Alternative to Reducing CI Regression Test Suite Sizes

How can you focus in a sea of results from a large regression test suite? This article describes a stochastic approach that relies on some degree of redundancy in your CI regression test set. This approach does not guarantee you will catch every bug every time, but it gives you your best bet of not missing the subtle signatures of all the bugs uncovered by your CI regression test suite runs.

All in culture-methods

DevOps

Featured in DevOps

Duolingo's Kubernetes Leap

Franka Passing discusses the architectural shift of Duolingo’s 500+ backend services to Kubernetes. She explains the move toward GitOps with Argo CD, the transition to IPv6-only pods, and the "cellular architecture" used to isolate environments. She shares "reports from the trenches" on managing developer trust, navigating AWS rate limits, and productionizing early adopter services.

All in devops

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Presentations

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Conversations between loosely coupled services

In this presentation, Google architect Gregor Hohpe introduces various concepts for to manage more complex interactions between services, including conversations, choreography, and orchestration.

Gregor Hohpe
on Aug 08, 2007

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45:05
Architecture & Design

JP Rangaswami on open source in the enterprise & the future of information

CIO JP Rangaswami explains how open source became a corporate IT strategy at investment bank DrKW & why CIOs should consider open source for major software development initiatives.

JP Rangaswami
on Mar 08, 2007

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33:20
Agile Project Management Planning and Budgetting

Agile methods are empirical: plan, do, evaluate, plan again. To keep teams rolling, planning is critical. For 80 minutes David Hussman reviews practices for planning projects, releases, iterations.

David Hussman
on Sep 12, 2006

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01:23:20

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