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Windows Azure Blackout Caused by the Leap-Year Bug

by Abel Abel on  Mar 02, 2012 5

Several sub-regions of the Microsoft Windows Azure cloud were affected by the leap-year bug making some of their services unavailable for many customers for 12 to 24 hours.

IBM’s Software Architecture for Astronomically Big Data

by Michael Stal on  Dec 01, 2011 2

IBM has recently prototyped a software architecture that can deal with large amount of data flows. IBM’s software is built for the SKA telescope (Square Kilometre Array) and allows to automatically classify astronomical objects. Radio astronomer Melanie Johnston-Hollitt at Victoria University, Wellington , NZ, has collaborated with IBM for developing the system.

Can Agile Practices Prevent ERP Disaster

by Christopher Goldsbury on  Nov 20, 2011 5

Will the U.S. Military's adoption of agile practices lead to ERP implementation success? This article explores the emerging trend of using agile practices in ERP implementations with a focus on the U.S. Military's recent announcement on November 3rd to abandon a waterfall approach and closed standards for its ERP system.

Some Users Complain about Windows Azure

by Abel Avram on  Sep 01, 2011 7

Appirio switched from using Windows Azure to Salesforce.com’s Database, mentioning difficulties with deployment, using Web Roles and DBA overhead, while Adron Hall, a developer, complained about the SDK, price, and administration issues.

Software Architecture in the Movies

by Michael Stal on  Jul 31, 2011

Keeping up-to-date with software architecture can be a tough endeavor. Information is normally available within thick books or somewhere hidden in the Web. Another more entertaining way can be to watch clips available at video sites such as YouTube and Vimeo.

Access Team Foundation Server 2010 on Multiple Devices Using the OData Service

by Jenni Konrad on  May 05, 2011 1

The OData Service for Team Foundation Server 2010 provides access to the TFS object model on any device that supports the HTTP protocol. This makes it easier for developers to create applications that access Team Foundation Server in non-Windows environments and on smartphones and tablets.

Amazon EC2 Outage Explained and Lessons Learned

by Abel Avram on  Apr 29, 2011 1

Amazon has published a detailed report on the service failure plaguing one availability zone in the US East Region. The online media is full with analysis, commentaries and lessons to be learned from the event.

Lessons Learned from Skype’s Outage

by Abel Avram on  Dec 30, 2010 11

On December 22nd, 1600 GMT, the Skype services started to become unavailable, in the beginning for a small part of the users, then for more and more, until the network was down for about 24 hours. A week later, Lars Rabbe, CIO at Skype, explained what happened in a post-mortem analysis of the outage.

Foursquare's MongoDB Outage

by Ron Bodkin on  Oct 15, 2010 9

Foursquare recently suffered a total site outage for eleven hours. The outage was caused by unexpected uneven growth in their MongoDB database that their monitoring didn't detect. The system outage was prolonged when an attempt to add a partition didn't work due to fragmentation, and required taking the database offline to compact it. Learn what happened and what responses are planned.

Studies that Validate Agile and Lean Methodologies

by Dan Puckett on  Aug 04, 2010 4

Ralph Jocham asked: "I am searching for some references that show that Agile projects have a higher chance of success than other approaches, the references should be quotable in a government document ie. come from a trustworthy source." Luckily, there are some studies out there, summarized in this article.

LinkedIn's Data Infrastructure

by Ron Bodkin on  Aug 04, 2010 1

Jay Kreps of LinkedIn presented some informative details of how they process data at the recent Hadoop Summit. Kreps described how LinkedIn crunches 120 billion relationships per day and blends large scale data computation with high volume, low latency site serving.

Using the Cloud: Two Examples

by Dave West on  Jul 22, 2010 1

Most of the discussion about cloud computing has focused on tools, providers, and security. While this focus is appropriate for an emerging technology, it becomes easier to recognize the value of cloud computing when you have actual application examples, or case studies. This month IBM announced two such applications: a development-and-test cloud, and an animation rendering cloud.

Yahoo! Updates from Hadoop Summit 2010

by Ron Bodkin on  Jul 12, 2010

The Hadoop Summit of 2010 started off with a vuvuzela blast from Blake Irving, Chief Product Officer for Yahoo. Yahoo delivered keynote addresses that outlined the scale of their use, technical directions for their contributions, and architectural patterns in how they apply the technology.

7 Lessons Learned at Reddit

by Abel Avram on  May 18, 2010 1

Steve Huffman, co-founder of Reddit, shares the main lessons he learned scaling Reddit from a small web application to a large social website.

Windows Azure: Pending Success or Eventual Niche?

by Abel Avram on  Feb 28, 2010 2

Microsoft has had its successes and failures over time, and it has managed to come first with some products even if it came later in the game. Is Microsoft going to be as successful with Windows Azure as it has been with the Windows operating system? Or will it remain a niche player like Windows Mobile?

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