InfoQ Homepage Performance & Scalability Content on InfoQ
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JavaOne Preview: Java Functional Programming in an Interview with GridGain CEO Nikita Ivanov
This month GridGain CEO Nikita Ivanov will be speaking about functional programming at JavaOne in San Francisco. With its 3.0 release, GridGain added a more functional feel to its product by reworking the APIs. InfoQ contacted Mr. Ivanov to get the deeper story about his company's experiences with functional programming.
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Designing a Web Application with Scalability in Mind
Max Indelicato, a Software Development Director and former Chief Software Architect, has written a post on how to design a web application for scalability. He suggests choosing the right deploying and storage solution, a scalable data storage and schema, and using abstraction layers.
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MongoDB 1.6 Adds Sharding and Replica Sets
MongoDB 1.6 is a major release addressing the scaling-out issue through sharding and adding replica sets for automatic failover and recovery.
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LinkedIn's Data Infrastructure
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.
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Measuring and Comparing the Performance of 5 Cloud Platforms
Bitcurrent and Webmetrics have run a number of tests for a month on 5 different cloud platforms - Amazon, Google, Rackspace, Salesforce.com, and Terremark -, attempting to measure the performance of each platform. One of their conclusions is that each platform works better for different application types.
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BigPipe at Facebook: Optimizing Page Load Time
Changhao Jiang, Research Scientist at Facebook, describes a technique, called BigPipe, that contributed to making the Facebook site, "twice as fast." BigPipe is one of several innovations, a "secret weapon," used to achieve the reported performance gains. Another innovation mentioned is architectural in nature, the structuring of Web pages as "pagelets."
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Facebook on Hadoop, Hive, HBase, and A/B Testing
The Hadoop Summit of 2010 included presentations from a number of large scale users of Hadoop and related technologies. Notably, Facebook presented a keynote and details information about their use of Hive for analytics. Mike Schroepfer, Facebook's VP of Engineering delivered a keynote describing the scale of their data processing with Hadoop.
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Yahoo! Updates from Hadoop Summit 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.
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Membase, a new and heavyweight NoSQL family member
NorthScale solutions announced the availability of the open source NoSQL database Membase which was developed by core members of the Memcached team with contributions from Zynga and NHN. It is a protocol compatible persistent drop in for Memcached the widely used caching solution
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Azul Releases Zing: Software-based JVM Virtualisation/Elastic Runtime for x86
Azul Systems, makers of specialist hardware for running Java applications, have announced Zing, a Virtualised implementation of their hardware stack. Zing uses RedHat's KVM and VMWare's vSphere to target a wide range of operating systems and is optimised for Intel's latest x86
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Azul Systems To Open Source Significant Technology in Managed Runtime Initiative
Having just announced a record breaking quarter, Azul Systems are open sourcing a considerable part of their intellectual property under GPLV2, as part of a major new initiative to try and improve the performance of managed code on commodity platforms.
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7 Lessons Learned at Reddit
Steve Huffman, co-founder of Reddit, shares the main lessons he learned scaling Reddit from a small web application to a large social website.
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Microsoft’s Experiments with Software Transactional Memory Have Ended
Dana Groff has announced the end of Microsoft’s experiment with software transactional memory for the .NET Framework. Known as STM.NET, this research project was announced in 2008 as an alternative to explicit locks when dealing with concurrency issues.
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ScaleUp Addresses Many of IIS’ File Uploading Limitations
LeanServer has created for IIS 7.0 an extension called ScaleUp, solving some of the problems related to file uploading and plaguing Microsoft’s web platform. According to its creators, ScaleUp increases upload speed, supports unlimited upload file sizes, scales up to thousands of uploads per server, and includes progress reporting, streaming and filtering.
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What Color is your Backlog?
At the recent SDC conference in Wellington Prof Philippe Kruchten delivered a talk titled “What Color is Your Backlog”. The thrust of his talk is about bringing a focus on architecturally significant aspects of software into Agile projects, along with delivering the functional components of the system. He uses a color metaphor to illustrate the importance of addressing four types of work.