Codetown
Codetown ::: a software developer's community
SeneJUG Town Discussions (10)
| Discussions | Replies | Latest Activity |
|---|---|---|
JavaOne JUG DiscountIf you're a JUG member, the JavaOne event team wants you to know there's a special discount for you: "We are offering our JUG’s a specia… Started by Michael Levin |
0 | Jun 5, 2014 |
Mangi Def (Hello) from Michael Levin(Photo from the Senejug kickoff in 2007! Click the photo or here to see the set) Hello, Senejug from afar, from Michael in sunny Florida.… Started by Michael Levin |
0 | Mar 25, 2012 |
AFRICA ANDROID CHALLENGE - SUBMISSIONS ARE IN!Check out these cool submissions to the Africa Android Challenge: http://www.androidchallenge.org/index.php?option=com_content&view=art… Started by Michael Levin |
2 |
Mar 19, 2012 Reply by Michael Levin |
JCertif 2011 : Java is on! Rockin' in the Congo-BrazzavilleHi All,As some of you already know. The next edition of JCertif is coming.This year again the JCertif Conference will bring together devel… Started by Michael Levin |
0 | Jul 26, 2011 |
Africa Mobilizes and Java 7 too!Africa is mobiizing to help communities all over gain useful software development skills. Today, we met to discuss conferences planned all… Started by Michael Levin |
0 | May 26, 2011 |
Notes from JCertif, in Brazzaville, Republic of CongoI've blogged a lot about this place and why I am here, so I'll summarize (read www.facebook.com/mikelevin http://jroller.com/Sandymountste… Started by Michael Levin |
0 | Aug 28, 2010 |
Barcamp GoreeHello! There's an exciting event coming up - it's the Barcamp Goree! Details here, in the Events section. Do you think you can attend? Started by Michael Levin |
0 | Jan 10, 2010 |
Meet your Java neighbors in W Africa!Interested in meeting some colleagues in West Africa? SeneJUG is the West African Java User Group. Members come from Senegal, Mali, Mauri… Started by Michael Levin |
0 | Oct 13, 2009 |
Code to Live or Live to Code?Lamine Ba, co-chairman of the SeneJUG, is a talented developer and businessman. Work hard, play hard! Check out this video shot of Lamine… Started by Michael Levin |
1 |
Aug 25, 2009 Reply by Edgar A. |
SeneJUG July '09 - Scrum PresentationThe Senejug July meeting featured a presentation on Scrum. Come and see the photos and view the presentation if you missed the meeting! Started by Michael Levin |
0 | Aug 21, 2009 |
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
30+ Updates per Second per Account: Uber Scales Ledger Processing with Batching
Uber introduced a high-throughput financial ledger processing system designed to handle hot account write contention at scale. Using 250ms batching, Redis coordination, and optimistic atomic updates, the system supports 30+ updates per second per account while preserving consistency and auditability, reducing multi-hour processing pipelines to minutes in its distributed accounting infrastructure.
By Leela KumiliHow a Culture of Data-Driven Conversations Can Support Platform Engineering
To provide SRE as a service, a team built a center of excellence, introducing Federated SREs and roles like production manager and technical tribe lead. They created a culture of data-driven conversations where SLOs and SLAs were democratised. Surviving growing cognitive load meant continuously simplifying architecture and embedding sovereignty and resilience into platform design decisions.
By Ben LindersPresentation: Architecting a Centralized Platform for Data Deletion at Netflix
The speakers discuss the architectural challenges of executing safe data deletion across distributed datastores. Balancing durability, availability & correctness, they explain how to orchestrate multi-system deletion propagation without impacting live traffic. They share lessons on controlling tombstone accumulation, building continuous audit loops, and gaining trust with a centralized platform.
By Vidhya Arvind, Shawn LiuArticle: Architectural Change Cases: A Practical Tool for Evolutionary Architectures
Architectural change cases extend architecture decision record (ADR) thinking by evaluating how decisions may evolve over time. Change cases expose hidden assumptions and help teams estimate the reversibility and cost of change.
By Pierre Pureur, Kurt BittnerAWS Replaces Fat-Tree Data Center Networks with Random Graph Theory, Cutting Routers by 69%
AWS disclosed that Resilient Network Graphs, a flat network architecture based on quasi-random graph theory, is now the default for most new data center builds. The design replaces fat-tree hierarchies with direct ToR-to-ToR mesh connections using passive optical ShuffleBoxes, cutting routers by 69%, boosting throughput by 33%, and reducing network power consumption by 40%.
By Steef-Jan Wiggers
© 2026 Created by Michael Levin.
Powered by
