Hortonworks Sandbox – Go from zero to Big Data in 15 minutes – The Hortonworks Sandbox is designed to provide you with a personal Hadoop solution and learning platform in one convenient package. The Sandbox comes with step-by-step hands-on tutorials, demos, videos that allow you to go from Zero to Big Data in 15 Minutes
First 5 Minutes Troubleshooting A Server | devo.ps – Back when our team was dealing with operations, optimization and scalability at our previous company, we had our fair share of troubleshooting poorly performing applications and infrastructures of various sizes, often large (think CNN or the World Bank). Tight deadlines, “exotic” technical stacks and lack of information usually made for memorable experiences
Fliptop – Social Intelligence – At the end of the day, the scarcest resource in a startup is time. More code = more engineering time = more cost = higher burn rate. The features of Lift I’ve talked about (and others I haven’t yet, like Comet) help me to do the most amount of work with
June 8th: the day your phone won’t stop ringing – Users with broken IPv6 connectivity will experience long delays connecting to major public web sites. Their workstations will try to reach the content over IPv6 first and will have to experience a TCP-level timeout before retrying to get the same content over IPv4
Why there are so many engineers in India – TNW India – Becoming an engineer in India virtually guarantees financial security for life, and this blinds parents into forcing their children to choose engineering. It is a romanticized notion, but I often wonder how many David Beckhams, Quentin Tarantinos and Carlos Santanas are currently pulling off 9-5 shifts for IT firms.
Amazon Web Services Blog: Setting up a Load-Balanced Oracle Weblogic Cluster in Amazon EC2 – Oracle recently made available a set of AMI images suitable for use with the Amazon EC2 cloud computing platform. I found the two images (32-bit and 64-bit) that contain Weblogic (along with Oracle Enterprise Linux 5 and JRockit) the most interesting of the lot. This article will explain how to set up a basic two-node Weblogic cluster using the 32-bit Weblogic image provided by Oracle with an Amazon Elastic Load Balancer (ELB)
The Atlassian Blog – Introducing Confluence 3.0 – Meet the Macro Browser – Confluence 3.0 introduces the Macro Browser, a new way for users of all experience levels to build content-rich pages in seconds. The macro browser exposes the macros in your Confluence site – charts, task lists, photo galleries, RSS feeds and more – through a point-and-click graphical interface.
Google Soups Up Enterprise Search Appliance – Google's plan is to make GSA the most powerful, all-encompassing enterprise search server in the world and the first choice over Microsoft and products from Vivisimo, Endeca and Autonomy.
mockito – simpler & better mocking – Mockito is a mocking framework that tastes really well. It lets you write beautiful tests with clean & simple API. Mockito doesn't give you hangover because the tests are very readable and they produce clean verification errors
IntelliJ’s Maia shapes up against Eclipse • The Register – Maia will support version three of the Spring open-source Java programming framework, which will be detailed at next week's JavaOne in San Francisco, California, along with support for the OSGi modular Java framework and Apache's Tapestry component-based framework.
OpenXava – AJAX applications from JPA entities – OpenXava is a productive way for creating AJAX Enterprise Applications with Java. Indeed, it's faster developing with OpenXava than with Ruby On Rails, Spring MVC, or any other MVC framework.
Distributor – Distributor is a software TCP load balancer. Like other load balancers, it accepts connections and distributes them to an array of back end servers. Distributor is compatible with any standard TCP protocol (HTTP, LDAP, IMAP, etc.) and is also IPv6 compatible. Distributor has many unique and advanced features and a high-performance architecture
Server Fault – Server Fault is a collaboratively edited question and answer site for system administrators and IT professionals – regardless of platform. It's 100% free, no registration required.
Artima Developer Spotlight Forum – Dmitry Jemerov on IntelliJ IDEA 8 and RubyMine – JetBrains released the latest major version of IDEA, it's multi-language development environment. In this interview with Artima, JetBrains architect Dmitry Jemerov talks about the most significant IDEA 8 features, including improved core Java support and support for multiple languages. He also discusses JetBrains' new Ruby IDE
java.think(): 8 Reasons You Should Be Using Terracotta, not Oracle Coherence – Unlike Coherence, Terracotta is not based on Java serialization. This fundamental algorithmic difference gives Terracotta superior performance. What's more, as the size of the data set grows, the performance you get from Terracotta remains constant. Compare that to Oracle Coherence – as the size of the data you put into the cache grows, so does the work it has to do to keep the data synchronized. The result is a significant drop in operations/sec.
Java Concurrency Synchronizers « PODIDEA – Successful Intelligence – We all know that Java supports synchronization since day one through the synchronized keyword, but the limitation is that this mechanism works at the block level and is limited to a single thread at a time. A number of new mechanisms were introduced. Among them are semaphore, barrier, latch and exchanger.
Obama’s CTO: Watch out for the turf wars | Outside the Lines – CNET News – Obama will appoint the nation's first Chief Technology Officer (CTO) to ensure that our government and all its agencies have the right infrastructure, policies and services for the 21st century. The CTO will ensure the safety of our networks and will lead an interagency effort, working with chief technology and chief information officers of each of the federal agencies, to ensure that they use best-in-class technologies and share best practices.