June 2019 Blog Posts (4)

Wikipedia ::: Swampcast podcast features Brion Vibber, Wikipedia CTO

Here’s a blast from the past. Wikipedia CTO Brion Vibber walks us through the beginnings of Wikipedia. Enjoy! Click here to hear the…

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Added by Michael Levin on June 27, 2019 at 1:29am — No Comments

Pandora::: Swampcast features Pandora CTO Tom Conrad



Here’s one of the most talented CTO’s around to explain the inner workings of Pandora. Click here to…

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Added by Michael Levin on June 26, 2019 at 12:30am — No Comments

OSCON Free Expo Pass!

‪We're proud to partner with #OSCON in Portland, July 15–18. Want to join in but can't be there for the entire event? Grab a free Expo Plus pass using code EXPOPASS- but hurry, only a limited number of passes are available. https://oreil.ly/2FojuKe

Added by Michael Levin on June 21, 2019 at 4:13pm — No Comments

Some thoughts on licensing from Google's Chris DiBona

Chris DiBona is the director of open source at Google, and he's been taking a big part in the open source and Free software ecosystem for a very long time--not least in his role with Google's Summer of Code. He recently posted on Twitter what he calls "a little rant" about software licensing -- well worth reading the whole (short!) thing. 

Upshot: Be cautious and humble in…

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Added by Timothy Lord on June 2, 2019 at 7:10pm — No Comments

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Notes

Welcome to Codetown!

Codetown is a social network. It's got blogs, forums, groups, personal pages and more! You might think of Codetown as a funky camper van with lots of compartments for your stuff and a great multimedia system, too! Best of all, Codetown has room for all of your friends.

When you create a profile for yourself you get a personal page automatically. That's where you can be creative and do your own thing. People who want to get to know you will click on your name or picture and…
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InfoQ Reading List

Airbnb Implements Context-Aware Identity Model to Support Privacy-First Social Features

Airbnb has redesigned its identity system to support privacy-first social features in Experiences. The platform introduces context-specific profiles that separate global user identity from externally visible profiles, preventing cross-context linkage. The migration leveraged automated auditing, manual validation, and AI-assisted refactoring to enforce correct identity usage across services.

By Leela Kumili

JEP 533 Tightens Exception Handling in Java's Structured Concurrency for JDK 27

JEP 533, Structured Concurrency, has reached integrated status for JDK 27. It refines exception handling and type safety in its API, particularly focusing on exception flow with a new ExecutionException type. Changes include an updated Joiner interface and a new open overload for easier configuration. The steady evolution signals ongoing development as feedback shapes the API.

By A N M Bazlur Rahman

Presentation: What I Learned Building Multi-Agent Systems From Scratch

Paulo Arruda discusses Shopify’s evolution in AI adoption, moving from simple chat tools to a sophisticated swarm of specialized agents. He explains the transition from massive "all-in-one" prompts to lean, narrow-focused agent microservices that slash task times from hours to minutes. He also shares a future-looking hypothesis on using filesystem-based adapters to solve context bloat.

By Paulo Arruda

Article: The Mathematics of Backlogs: Capacity Planning for Queue Recovery

Backlogs in distributed systems are arithmetic problems, not mysteries. This article provides practical formulas for calculating backlog drain time, sizing consumer headroom, and setting auto-scaling triggers. It covers key failure modes — retry amplification, metastable states, and cascading pipeline bottlenecks — plus when to shed load instead of draining.

By Rajesh Kumar Pandey

Grafana's Pyroscope 2.0 Makes Continuous Profiling Practical at Scale

Grafana Labs has launched Pyroscope 2.0, a rearchitected open-source continuous profiling database. This version improves storage costs, query performance, and operational complexity. Key changes include single write paths for profiles, stateless query processing, and enhanced capabilities for profiling data. It supports the OpenTelemetry Protocol, aligning with current trends in observability.

By Matt Saunders

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