Codetown
Codetown ::: a software developer's community
October 2011 Blog Posts (6)
Ensemble - now called Juju, Ubuntu's Cloud
Ensemble: service orchestration for the cloud (my work for Ubuntu Server) http://fewbar.com/2011/06/so-what-is-ensemble-anyway - via Jim Baker
Jim and I spent some time…
ContinueAdded by Michael Levin on October 30, 2011 at 5:30pm — 2 Comments
OrlandoJUG October Open Spaces Meeting Rocked!
We had a great time at the OrlandoJUG meeting tonight. It was an Open Spaces style meeting and a potluck dinner. We had some new faces and certainly covered interesting topics. Here are a few:
1. Cloud Computing
2. JavaOne 2011
3. Managing dev, test and production environments
4. OSGi - what it is and how…
ContinueAdded by Michael Levin on October 27, 2011 at 11:11pm — No Comments
It's all about Yandda! (an Android app)
Added by Bulama Yusuf on October 26, 2011 at 11:24am — No Comments
Good times at JCertif in the Congo
Let me indulge with this photo...it was such a great time at the first JCertif and you know, you have a chance coming up in just 11 months to be a part of it again! www.jcertif.com has all the details. Check out some of the African JUGs on Codetown while you're at it.… Continue
Added by Michael Levin on October 25, 2011 at 8:00pm — No Comments
Dennis Ritchie has Died
Added by Michael Levin on October 25, 2011 at 10:30am — No Comments
Take a peek under the covers of a website
Here's a website with open source code:
A cheap replacement for ching(6)
ching(6), the old amusement found in BSD 4.[234], has disappeared from the face of the net. I wanted it back. Fortunately finding the full text of the Wilhelm translation of the I Ching was easy. So was writing a program to read it.…
ContinueAdded by Michael Levin on October 9, 2011 at 2:00pm — No Comments
Featured Blog Posts
Latest Blog Posts
- New Java features
- Free Eclipse book, recently published
- What is vibe coding?
- You can now download the source code that sparked the AI boom
- 50% Keyboard Guide: Tiny Typists' Delight
- Software language criteria
- We have some exciting news to share with you. Otavio will be joining us to discuss the latest version of Camel in an exclusive presentation. Presentation Details: Speaker: Otavio Rodolfo Piske Topic:…
Most Popular Blog Posts
Monthly Archives
2025
2024
- June (1)
2023
2022
2021
2020
2019
- December (1)
- November (1)
- October (1)
- September (1)
- August (2)
- July (1)
- June (4)
- May (1)
- March (2)
- February (1)
- January (2)
2018
2017
2016
- December (18)
- November (10)
- September (3)
- August (1)
- July (3)
- June (7)
- May (6)
- April (5)
- March (2)
- February (2)
- January (4)
2015
- December (4)
- November (2)
- October (2)
- August (1)
- July (2)
- June (1)
- April (2)
- March (6)
- February (1)
- January (6)
2014
2013
2012
- December (5)
- October (3)
- September (4)
- August (1)
- July (4)
- June (4)
- May (1)
- April (3)
- March (4)
- February (7)
- January (3)
2011
- December (1)
- November (7)
- October (6)
- September (7)
- August (3)
- July (9)
- June (5)
- May (7)
- April (2)
- March (2)
- February (3)
- January (4)
2010
- December (6)
- November (3)
- October (2)
- August (6)
- July (1)
- May (4)
- April (3)
- March (11)
- February (5)
- January (13)
2009
- December (10)
- November (4)
- October (7)
- September (4)
- August (5)
- July (2)
- June (3)
- May (9)
- April (2)
- March (8)
- February (3)
- January (1)
2008
Happy 10th year, JCertif!
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.
Created by Michael Levin Dec 18, 2008 at 6:56pm. Last updated by Michael Levin May 4, 2018.
Looking for Jobs or Staff?
Check out the Codetown Jobs group.
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 KumiliJEP 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 RahmanPresentation: 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 ArrudaArticle: 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 PandeyGrafana'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
© 2026 Created by Michael Levin.
Powered by
