LinkedIn replaced their back-end mobile infrastructure built on Ruby on Rails with Node.js some time ago for performance and scalability reasons. A former LinkedIn team member reacted explaining what went wrong, in his opinion.
O’Reilly’s Velocity conferences target web ops and performance professionals who like you to learn from their peers, exchange ideas with experts, and share best practices and lessons learned. The Velocity Europe 2012 event focuses on the core issues and opportunities that are specific to the European performance and ops community, as well as the most significant worldwide themes and players.
Azul Systems have announced that they are making their pauseless Zing JVM freely available to Open Source developers and projects for use in development and testing.
With over 33% of the market share for US web searches, the servers that power Bing and Yahoo represent one of the largest .NET 4.5 RC applications in continuous production use. The close work between Microsoft’s Bing and .NET teams have resulted in a set of enhancements that should prove useful to anyone running large scale .NET servers.
In their presentation posted at InfoQ systems and data architects Ben Stopford, Farzad Pezeshkpour and Mark Atwell show how RBS leveraged new technologies in their architectures while facing difficult challenges such as regulation, competition and tighter budgets. They also need to cope with stringent technical challenges, for instance with efficiency and scalability.
Microsoft has published a paper named “Performance Tips For Metro Style XAML Apps”. This includes several suggestions for remaining responsive, ensuring fluid animations, improving startup time, consuming lesser resources and more. We present a summary here.
The first preview release of the upcoming JRuby 1.7 defaults to Ruby 1.9 runtime mode and is much faster thanks to Java 7's invokedynamic. We talked to Charles Nutter to learn more about the future of JRuby on Java 7, Fibers and his move to Red Hat.
Phusion has released a preview release of their upcoming 3.2 version of Phusion Passenger. Version 3.2 comes with a re-written ApplicationPool, I/O handling is now event-driven and the Python support became a first-class citizen.
LinkedIn engineering releases SenseiDB 1.0.0, a NoSQL database focused on high update rates and complex semi-structured search queries, already used in production by LinkedIn in its search related pages (e.g. People/Company search)
Version 2.0 of Hazelcast, a Java-based caching, clustering and data distribution solution, has recently been released. As part of this, the product is now offered in both commercial Enterprise and free open-source Community Editions.
Apache has released the HTTP Server version 2.4 with performance improvements, enhanced concurrency, asynchronous I/O support, lower resource footprint and others.
According to Netcraft Resin has been seeing strong growth in the last 12 months, seeing an almost tenfold growth from 480k hostnames in February 2011 to 4.7M in February 2012.
The Netty 3.3.1 release adds support for SPDY protocol, which has been proposed for inclusion in http/2.0, fixes regression of Android support and reduces memory consumption of ZLib compression.
Hybrid SQL-NoSQL database solutions combine the advantage of being compatible with many SQL applications and providing the scalability of NoSQL ones. Xeround offers such a solution as a service in the cloud, including a free edition. Other solutions: Database.com with ODBC/JDBC drivers, NuoDB, Clustrix, and VoltDB.