June 2011 Blog Posts (5)

Last Night With OrlandoJUG

Last nights OJUG meeting was great. Beth and Tracy did an amazing job of setting things up in the room and the presentation was wonderfully entertaining and insightful. It was spectacular and informative, what more could you ask for? Anyone who was unable to come certainly missed out, but maybe next year we'll have them give this presentation again. You never know.

Tracy provided us with a wealth of knowledge in terms of how to be recruited. His presentation on Working WIth Recruiters…

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Added by Anjuli Vivian Atwal on June 24, 2011 at 1:49pm — No Comments

Apple Gets Another Patent

 

I know what you're thinking, "So what if Apple gets another patent?" or "What's left that they don't already have?". Apparently what Apple doesn't have is a multitouch patent that can distinguish between how many fingers are touching an item on the screen and how that item can be manipulated/maneuvered in a frame or the whole screen. Confused? Probably, if…

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Added by Anjuli Vivian Atwal on June 23, 2011 at 9:58am — No Comments

Agile

This is worth reading. Comments? Experiences? We'd love to hear!



(photo from… Continue

Added by Michael Levin on June 20, 2011 at 11:00am — No Comments

MySchedule - A Quartz Dashboard WebApp

Hi folks,

 

I've mentioned MySchedule before during the Quartz presentation at OJUG. I have released myschedule-1.1.2.war now. It's not that pretty, but it's fully functional. It deploy a fully working version of a In-Memory Quartz scheduler with web UI that can easily manage it.

 

If you are interested in Quartz, give it a try here http://code.google.com/p/myschedule. I wrote a mini UserGuide with here…

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Added by Zemian Deng on June 13, 2011 at 8:18am — No Comments

Cornbread and Contracting

Cornbread and Contracting

 

 

 

Cornbread and contracting. They have a lot in common. What do I mean?

 

Well, you never go in empty handed. That's for starters. How did this come up? I'm headed to my favorite bike and coffee shop this morning to do some fancy computin'. I'll be sure to bring something with me to the show. Whats my fav?…

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Added by Michael Levin on June 7, 2011 at 10:00am — No Comments

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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 Kumili

How 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.

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Article: 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 Bittner

AWS 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

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