InfoQ Homepage Architecture Content on InfoQ
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Need to Scale Fast? Just Re-Architect it!
The team at Delores Lab talk about lessons learned when their their site was featured on the Yahoo! home page, going from 500 to 100,000 visits overnight!
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Architecting Twitter
The architecture underlying the very popular social application Twitter has been at the center of several discussions lately. Twitter had several instances of downtime and had turned off several popular features as the team tried to deal with the issues. What can be learned from looking at how Twitter tries to move forward?
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QCon San Francisco Nov 19-21 Enterprise Software Development Conference Launched
QCon is coming back to San Francisco this November 19-21st, featuring speakers such as Martin Fowler, Eric Meijer (creator of LINQ), Rod Johnson (Spring), and others. Digg.com, Facebook, Yellowpages.com and MySpace.com architectures will be presented. QCon is the conference for enterprise software development team leads, architects and project management.
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Presentation: Agile Architecture Is Not Fragile Architecture
In this presentation filmed during QCon 2007, Coplien and Henney describe how to start with enough architecture to ensure long term success of an Agile developed project.
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Interview: Randy Shoup Discusses the eBay Architecture
In this interview from QCon San Francisco 2007, Randy Shoup discusses the architecture of eBay. Topics discussed include eBay's architectural principles, horizontal and vertical partitioning, ACID vs. BASE, handling data inconsistency, distributed caching, updating eBay on the fly, architectural and coding standards, eBay's search infrastructure, grid computing, and SOA.
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Could the Solution to IT's Problems be less IT-Business Alignment?
The never ending debate about the role, the relevance or the organization of IT has added yet another frustration moment. Susan Cram, an industry expert, shared the 8 things -she thinks- we hate about IT. In her analysis, she points out a surprising remedy: avoiding the IT alignment trap.
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InfoQ Case Study: NASDAQ Market Replay
In this case study InfoQ reviews the usage of Adobe AIR and Amazon Simple Storage Service (S3) in the NASDAQ Market Replay application. It is an exciting time for the software industry, as the NASDAQ Market Replay implementation demonstrates that a powerful data driven application can be brought to the market quickly and deployed within a limited budget.
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Presentation: Erlang - software for a concurrent world
We get more and more cores in our CPUs, but does our software run linearly faster? In most cases - no. We've hit a trend change when it comes to faster CPUs. We'll get more and more cores, but each core will be slower as the number of cores increase. In his talk, Joe Armstrong introduces Erlang and the ideas of Concurrent Oriented Programming which is one way to solve the problem.
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Designing for Spam: A Challenge for the Web?
The increasing activity and hostility of spammers and the sophistication of their spamming tools are a constantly growing concern for the web. The recent spam attack on Craigslist triggered many reactions in the blogosphere seeking to analyze spammers’ techniques and possible remedies and to consider the implications that the spam’s spread may have on architecture.
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Object Lifecycle Explorer Released on AlphaWorks
Object Lifecycles (a.k.a State Machines) have been for the most part ignored by developers, architects and business process practitioners alike. A group of researchers from IBM Zurich has just released an Object Lifecycle modeling tool that complements and link with executable Business Process models.
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Google App Engine Load Test Result
The result of the Google Web Toolkit on Google App Engine load test: The load was 10 reqs/sec for an hour, and 35 reqs/sec at peak. The result? No sweat.
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Neo4j - an Embedded, Network Database
Neo4j is an embedded network model database for Java, Ruby and Python applications. It is capable of handling billions of nodes/relationships/properties on single machine hardware, supporting ACID transactions, durable persistence, concurrency control, transaction recovery, and everything else you’d expect from an enterprise-strength database.
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Velocity: Microsoft's Distributed In-Memory Cache
Distributed in-memory caches have been rather popular over the last few years in everything from mainstream Java applications to the fringe languages like Erlang. Continuing its rather frantic efforts to catch up with technologies predominately found in the open source world, Microsoft has introduced its own distributed cache.
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Is Google Gears Positioned to Add Features to the Web?
After one year, some argue that "Gears" seems to be shifting its focus from enabling off-line Web applications to accelerating the development of new features to the Web, sometimes competing with HTML 5 and using an unfair competitive advantage: a browser in the browser. What do you think?
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SOA Governance Revisited
Despite increased adoption, many of the SOA projects are still failing Things are often getting so bad that in a recent SOA was called "Dead on Arrival". One of the ways to improve this situation is proper SOA governance.