InfoQ Homepage DevOps Content on InfoQ
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The 4 KiB Sector Performance Issue
If using HDDs from Western Digital (WD) with the string "EARS" in the model name, poor performance may have been encountered. Normally HDDs store data with a sector size of 512 bytes; WD's Advanced Format Technology uses 4096 byte sectors. Alignment of data on disk is essential to get the best performance. It's also only a matter of time until other vendors ship disks with non-512-bytes sectors.
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Oracle Announces GlassFish Roadmap
Yesterday Oracle published the roadmap for GlassFish version 3 and the news is positive. GlassFish version 3.1, expected this year, will offer centralized admin, clustering and Coherence support.
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A New Addition to the InfoQ Family: The Operations Community
A 7th community has now joined the current 6 on InfoQ. When one looks at our existing queues, one sees a definitive pattern - we currently focus upon application development and architecture (.NET, Ruby, Java, SOA, Architecture) and also Agile techniques, primarily in the context of application development. However, what happens to that software once it's been developed?
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Doing WebGL Rendering on Windows with ANGLE
Google uses WebGL to natively render 3D graphics inside Chrome. The problem is that WebGL relies on OpenGL 2.0, and not all Windows systems have its drivers installed. The ANGLE (Almost Native Graphics Layer Engine) project is intended as a thin layer between WebGL and DirectX, enabling Chrome to do 3D on any Windows system.
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Microsoft Has Released OData SDK and “Dallas” CTP 2
Microsoft has released OData SDK for .NET, Java, PHP, Objective-C (iPhone and Mac) and JavaScript, helping developers to create clients that consume OData-based information, and Codename “Dallas” CTP 2, a marketplace for selling and buying such data.
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FAI: Automated Install, Management and Customization for Linux
FAI (Fully Automatic Installation) is a non-interactive system to avoid the boring and repeating task of installing, customizing and managing Linux systems manually. FAI is used for maintaining chroot environments, virtual machines as well as physical boxes in setups ranging from a few single systems up to deployments of large-scale infrastructures and clusters with several thousands of systems.
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Google Apps Has a Marketplace and Instant Failover
The Google Apps Marketplace allows providers to create applications that integrate with Google Apps. The idea is to allow companies to integrate their own applications with Google’s applications serving some 2 million organizations totaling over 25 million individuals. Google also promises zero data loss and instant failover for Google Apps customers.
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GigaSpaces XAP 7.1 EA: Elastic Middleware, Data Querying and Spring 3.x
GigaSpaces XAP is a distributed application server with an in-memory data grid. The XAP 7.1 release includes a number of themes: an Elastic Middleware Service, enhanced virtualization compatibility, data querying, an updated web-based management application, embedded Spring 3.0, and performance improvements. InfoQ explored this EA release to learn more.
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WebSockets and Bayeux/CometD
There are two technologies which bring communication into browser-based applications at the moment; Bayeux (aka CometD) and more recently, WebSockets. Will one supersede the other, or are there sufficient differences for both to thrive?
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Making Sense of Large Amounts of Data with Pivot
Pivot, a Microsoft Live Labs project, is intended to help people make sense of large amounts of information by organizing it in such a way that one can easily navigate from top to bottom and back in an attempt to understand it or to find a particular piece of information.
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ThoughtWorks’ Developers Favor Distributed Version Control Systems
Martin Fowler has conducted a survey on ThoughtWorks’ software development mailing list to determine how some of the version control systems (VCS) are perceived by developers. He also wrote a review of most prominent VCSes comparing centralized and distributed systems.
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InfoQ User Survey Results
Back in January, InfoQ published a User Survey and asked for people to take a few minutes and fill it out. Our reasoning for doing so was pretty straightforward - we wanted to know how we could improve the InfoQ experience for you, the user. We were pleasantly surprised that within a few days of posting the survey we had received several thousand replies - these are the results of that survey.
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Ruby 1.9.2 Release Schedule Aims at August for Final Release
Now that Ruby 1.9.2 passes all RubySpec tests, a revised release schedule for Ruby 1.9.2 has been announced. It aims at mid-August for the final release.
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MuleSoft's CloudCat Supports Web Application Deployment on Amazon EC2 and GoGrid Clouds
MuleSoft's cloud service offering of Apache Tomcat container, called CloudCat, provides a virtual image that allows developers and QA teams to build and test web applications in the cloud environment. MuleSoft recently announced CloudCat product availability and a partnership with cloud infrastructure hosting provider GoGrid.
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Revisiting Biases Against Open Source SOA Solutions
Ronald Schmelzer, a senior analyst at ZapThink revisits the common misconception/biases on the suitability of open source SOA solutions for the enterprise and asks “why is it then that so many IT organizations prematurely discard Open Source Software (OSS) from their SOA implementations?”