InfoQ

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

Madelyn Olson — Tue, 07 Apr 2026 13:40:00 GMT

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.

By Madelyn Olson

Istio Evolves for the AI Era with Multicluster, Ambient Mode, and Inference Capabilities

Craig Risi — Tue, 07 Apr 2026 12:00:00 GMT

The Cloud Native Computing Foundation (CNCF) has announced a major evolution of Istio, introducing new capabilities aimed at making service meshes “future-ready” for AI-driven workloads.

By Craig Risi

Article: Bloom Filters: Theory, Engineering Trade‑offs, and Implementation in Go

Gabor Koos — Tue, 07 Apr 2026 09:00:00 GMT

This article walks you through the Go implementation of Bloom filters to optimize the performance of a recommender. It cover the architectural view, Bloom filter mechanics, Go integration, parameter tuning, and practical lessons learned from making it work under production constraints.

By Gabor Koos

Anthropic Accidentally Exposes Claude Code Source via npm Source Map File

Steef-Jan Wiggers — Tue, 07 Apr 2026 08:00:00 GMT

Anthropic's Claude Code CLI had its full TypeScript source exposed after a source map file was accidentally included in version 2.1.88 of its npm package. The 512,000-line codebase was archived to GitHub within hours. Anthropic called it a packaging error caused by human error. The leak revealed unreleased features, internal model codenames, and multi-agent orchestration architecture.

By Steef-Jan Wiggers

Google Open Sources Experimental Multi-Agent Orchestration Testbed Scion

Sergio De Simone — Tue, 07 Apr 2026 08:00:00 GMT

Designed to manage concurrent agents running in containers across local and remote compute, Scion is an experimental orchestration testbed that enables developers to run groups of specialized agents with isolated identities, credentials, and shared workspaces.

By Sergio De Simone

Pinterest Reduces Spark OOM Failures by 96% Through Auto Memory Retries

Leela Kumili — Mon, 06 Apr 2026 14:32:00 GMT

Pinterest Engineering cut Apache Spark out-of-memory failures by 96% using improved observability, configuration tuning, and automatic memory retries. Staged rollout, dashboards, and proactive memory adjustments stabilized data pipelines, reduced manual intervention, and lowered operational overhead across tens of thousands of daily jobs.

By Leela Kumili

Presentation: Duolingo's Kubernetes Leap

Franka Passing — Mon, 06 Apr 2026 12:11:00 GMT

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.

By Franka Passing

Article: A Better Alternative to Reducing CI Regression Test Suite Sizes

James Bornefelt Westfall — Mon, 06 Apr 2026 11:00:00 GMT

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.

By James Bornefelt Westfall

Podcast: Context Engineering with Adi Polak

Adi Polak — Mon, 06 Apr 2026 11:00:00 GMT

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.

By Adi Polak

Dynamic Languages Faster and Cheaper in 13-Language Claude Code Benchmark

Steef-Jan Wiggers — Mon, 06 Apr 2026 04:01:00 GMT

A 600-run benchmark by Ruby committer Yusuke Endoh tested Claude Code across 13 languages, implementing a simplified Git. Ruby, Python, and JavaScript were the fastest and cheapest, at $0.36- $0.39 per run. Statistically typed languages cost 1.4-2.6x more. Adding type checkers to dynamic languages imposed 1.6-3.2x slowdowns. Full dataset available on GitHub.

By Steef-Jan Wiggers

Java News Roundup: TornadoVM 4.0, Google ADK for Java 1.0, Grails, Tomcat, Log4j, Gradle

Michael Redlich — Mon, 06 Apr 2026 02:30:00 GMT

This week's Java roundup for March 30th, 2026, features news highlighting: the GA release of TornadoVM 4.0 and Google ADK for Java 1.0; first release candidates of Grails and Gradle; maintenance releases of Micronaut, Apache Tomcart and Apache Log4j; and an update on Jakarta EE 12.

By Michael Redlich

Anthropic Designs Three-Agent Harness Supports Long-Running Full-Stack AI Development

Leela Kumili — Sat, 04 Apr 2026 14:24:00 GMT

Anthropic introduces a three-agent harness separating planning, generation, and evaluation to improve long-running autonomous AI workflows for frontend and full-stack development. Industry commentary highlights structured approaches, iterative evaluation, and practical methods to maintain coherence and quality over multi-hour AI coding sessions.

By Leela Kumili

TigerFS Mounts PostgreSQL Databases as a Filesystem for Developers and AI Agents

Renato Losio — Sat, 04 Apr 2026 08:18:00 GMT

TigerFS is a new experimental filesystem that mounts a database as a directory and stores files directly in PostgreSQL. The open source project exposes database data through a standard filesystem interface, allowing developers and AI agents to interact with it using common Unix tools such as ls, cat, find, and grep, rather than via APIs or SDKs.

By Renato Losio

Swift 6.3 Stabilizes Android SDK, Extends C Interop, and More

Sergio De Simone — Fri, 03 Apr 2026 17:00:00 GMT

Swift 6.3 advances Swift cross-platform story with official Android support, improves significantly C interoperability through the new @c attribute, and continues extending embedded programming support. It also strengthens the ecosystem with a unified build system direction and gives developers more low-level performance control.

By Sergio De Simone

Open Source Security Tool Trivy Hit by Supply Chain Attack, Prompting Urgent Industry Response

Craig Risi — Fri, 03 Apr 2026 12:00:00 GMT

A major security incident affecting the widely used open source vulnerability scanner Trivy has exposed critical weaknesses in software supply chain security, after maintainers confirmed that a malicious release was briefly distributed to users.

By Craig Risi