LinkedIn Search: Searching the Social Graph in Real Time
John Wang discusses LinkedIn real-time distributed search engine architecture and implementation details for People Search, Signal, Stream Indexing, Zoie, and Bobo.
John Wang discusses LinkedIn real-time distributed search engine architecture and implementation details for People Search, Signal, Stream Indexing, Zoie, and Bobo.
In a recent press news from 13th December, SAP announced at the SAP Influencer Summit in Boston that “leading software vendors are adopting the open SAP HANA platform for their existing products and building completely new applications.” Among them are companies such as T-Mobile and TIBCO.
Granite Data Services released last week its Enterprise Platform for building Flex/Java EE Applications. Granite DS is an open source framework. InfoQ spoke with Frank Wolff, CEO and Co-Founder of Granite DS, about his perspectives on Rich Internet Applications.
Laharsub is an open source .NET publish-subscribe messaging server for real time web applications like chat, online collaboration, news or stock trade updates, etc.
Stephen Colebourne, lead of the JSR 310 Date and Time API, has recently published an Early Draft Review of the proposed additions and changes to the Java language. InfoQ caught up with Stephen at QCon London to find out more about the project.
Simon Ritter explains the vision and capabilities of the Real-Time Java specification (RTSJ), if your Java app really, really must respond within a certain time regardless of what the garbage collector does, RTSJ is now a possibility rather than a probability.

Betfair is the world's largest betting exchange with a transaction volume the equivalent of over half the combined equity trading volume of every major stock exchange in the world. In response to an increase in transaction volume coupled with a decrease in value per transaction, Betfair launched a number of initiatives to dramatically increase transaction processing capacity and reduce cost.

In this presentation from QCon London 2008, Bertrand Delsart discusses real-time (RT) computing requirements in banking, RT Java history, priority semantics, RT APIs, Determinism and NoHeapRealtimeThreads, RT Garbage Collection, soft vs. hard RT, deadline miss handlers, event-driven requests with deadlines, reducing context switches, and benefits of RT Java and the RT Garbage collector.
Ulf Wiger explains the origins of some of Erlang's core principles and how they're even more relevant today. Also: a look at the strengths of Erlang, Clojure and Haskell.