InfoQ Homepage Clustering & Caching Content on InfoQ
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Google Brings App Engine's Pros and Cons to Java
Google has broadened their Google App Engine (GAE) support to include Java in addition to Python. However, it also imposes a number of limitations on the GAE Java applications to further Google's ability to scale and cluster them with minimal effort.
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Clojure Roundup: Clojure on CLR and Javascript, Terracotta, New Release
Clojure has attracted a lot of interest recently. A new project allows to use Clojure with Terracotta to run code across many JVMs, ports of Clojure to .NET and Javascript have become available, and a new Clojure release adds new features and makes sequences fully lazy.
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Presentation: Facebook: Science and the Social Graph
In this presentation filmed during QCon SF 2008, Aditya Agarwal discusses Facebook’s architecture, more exactly the software stack used, presenting the advantages and disadvantages of its major components: LAMP (PHP, MySQL), Memcache, Thrift, Scribe.
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Filip Hanik on Heterogeneous Cluster Communication Using Apache Tribes
Apache Tribes, a Tomcat 6 module, supports group communication in the server cluster. Filip Hanik talked about the challenges in heterogeneous clusters and how Tribes helps with group communication requirements of Tomcat clusters. He did a presentation at SpringOne Americas conference about Tribes messaging framework.
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Presentation: REST: A Pragmatic Introduction to the Web's Architecture
In this presentation recorded during QCon London 2008, Stefan Tilkov introduces the audience to REST seen as an architectural style. He thinks that REST is not an alternative to SOA but it can serve SOA to reach its goals. Stefan also covers other related topics: HTTP, WS-*, SOAP, CORBA, RPC, enterprise, in an attempt to make the listeners understand what REST is and what is not and how it helps.
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Moore's Law Is Too Slow
Advances in "cloud computing", clustering, and general-purpose computing with commodity GPUs suggest compute power per dollar may increase significantly faster than Moore's Law predicts.
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Eventually Consistent, Revisited
Building reliable distributed systems at a worldwide scale demands trade-offs between consistency and availability. Last month, Amazon’s CTO Werner Vogels posted an article describing approaches to tolerate eventual data consistency in large-scale distributed systems.
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Cell Supercomputer at Home?
Sony's PS3 may be losing the market share war, but it has other uses. Does somebody want a supercomputer at home? That can be done by clustering PS3s running Linux. And the PS3s can still play Prince of Persia.
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Smooth HTTP Caching With Rack::Cache
The ways to cache a web application are numerous and often complex. Apart from the very basic page caching, Rails 2.2 introduced conditional GET through the use of HTTP headers: last_modified and etag. Following most of the internet standard caching section of RFC2616, Ryan Tomayko released Rack::Cache.
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Presentation: Rockstar Memcaching
In this presentation from RubyFringe, Tobias Lütke talks about memcached, the widely used caching solution. Tobias explains how to use it and gives some practical tips on what not to do.
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A VPN for Cloud Computing
Security is the gating factor for preventing Enterprise Cloud adoption, argues CohesiveFT's CTO, Patrick Kerpan. His company just released the first VPN for the Cloud to enable Enterprise customers to secure three kinds of topologies: Cloud, Cloud-to-Cloud and Enterprise-to-Cloud.
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Terracotta 2.7 Release Supports GlassFish, Spring 2.5 and Distributed Garbage Collection
The latest version of Terracotta, an open source Java clustering framework, supports GlassFish, Spring 2.5 and new features like Automated High Availability Mode, Improved Distributed Garbage Collector (DGC) Performance and Visibility, and Cluster-Wide Runtime Statistics. Terracotta development team announced last week the availability of Terracotta 2.7 version.
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JGroups Implementation of Memcached Supports Failover and JMX
Memcached is a distributed memory object caching system used in dynamic web applications to alleviate database load. Bela Ban at JBoss recently wrote a JGroups-based implementation of memcached which allows Java clients to access it directly. The new implementation also provides few advantages over memcached such as failover and monitoring.
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Windows HPC Server 2008 Has Been Launched
Microsoft has just sent the Windows High-Performance Computing (HPC) Server 2008 to manufacturing. The server is the successor of Windows Compute Cluster Server 2003 and represents Microsoft's current solution for high-performance computing.
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Deploying a 1 Terabyte Cache using EhCache Server
Greg Luck provides an overview of alternate deployment configurations for a 1 terabyte cache based on EhCache Server.