InfoQ Homepage Caching Content on InfoQ
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Oracle's Cameron Purdy on Coherence 3.3 and the Future of the Grid
Oracle has released Coherence 3.3 a Java grid computing and data clustering solution. InfoQ caught up with Tangosol founder Cameron Purdy who is now a Vice President of Development at Oracle to discuss the acquisition and the upcoming release.
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Presentation: Cluster your JVM to simplify application architecture
Open Terracotta is an open-source, highly scalable, JVM-level clustering solution. As well as being a drop-in replacement for Tomcat Clustering, it can transparently cluster POJOs and Spring beans. This presentation will be an in-depth case study of a small mobile application built using Terracotta clustering.
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Article: Using ETags to Reduce Bandwith & Workload with Spring & Hibernate
Gavin Terrill explores one of the lessor known facilities available to web developers, the humble "ETag Response Header", and how to integrate its use in a Spring and Hibernate based web app to improve application performance and scalability.
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Using memcached with ASP.NET
Instead of ASP.Net's built-in caching, some .NET developers are turning to memcached, is a distributed memory caching system originally by Danga Interactive for LiveJournal.
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A Real World Example of Using Terracotta: Clustering RIFE
Terracotta's Jonas Bonér recently detailed how he and Geert Bevin (who was recently hired by Terracotta) clustered the RIFE web application framework. The article provides valuable insight into RIFE's continuations implementation as well as some of the challenges in clustering a non-trivial application like RIFE.
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Terracotta improves failover support, adds clustering for 5 more frameworks
JVM heap-level clustering solution Terracotta released v2.3 yesterday, adding TCP/IP-based active/passive failover, cluster-membership events, and a new pre-configured module system for quick clustering Tomcat, Weblogic, Spring, Lucene, RIFE, Struts 1, Cglib, and iBatis. Jetty has been working on clustering Ajax cometd apps. RIFE's Geert Bevin is also now working for Terracotta.
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Wicket support on Terracotta nears completion
The Wicket and Terracotta teams have Wicket up and running on Open Terracotta. Support is still not complete, but most of the examples that ship with Wicket now run without any problems. As soon as they have all the kinks out, Terracotta will put the configuration into a Terracotta config module.
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Interview: Frank Cohen on FastSOA
InfoQ today publishes a one-chapter excerpt from Frank Cohen's book "FastSOA". On this occasion, InfoQ had a chance to talk to Frank Cohen, creator of the FastSOA methodology, about the issues when trying to process XML messages, scalability, using XQuery in the middle tier, and document-object-relational-mapping.
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Article: Web Apps with Spring Web Flow and Terracotta for Spring
In this article, Jonas Boner and Eugene Kuleshov give an overview of Spring Web Flow and Terracotta for Spring, and after that show you how you can use these technologies together to enter a new dimension in writing stateful, conversational, scalable and highly available web applications.
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Gemstone, Tangosol Offering Native .NET Clients to Distributed Data Caches
Gemstone last month released its Gemfire distributed data cache offering with native C++ and .NET cache clients. Tangosol last week also released Coherence for .NET which provides a native C# client to access data in Coherences' data grid. Both companies have Java-based distributed cache solutions with .NET support, frequently used by projects with .NET client front-ends with Java backends.
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QCon: REST for SOA at Yahoo!
In his talk at the QCon conference, Mark Nottingham, a "Principal Technical Yahoo!", provided some insight into how the Yahoo! Media Group uses the Web, and not Web services, to build its SOA variant. According to Mark, the Yahoo! Media Group gains significant advantages by using HTTP RESTfully, especially by exploiting caching opportunities.
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Article: Introduction to OpenTerracotta
OpenTerracotta is an open source enterprise-class JVM clustering solution that can take multi-threaded single-JVM apps and have them run across multiple JVMs with no code changes. Orion Letizi goes super-indepth on Terracotta and how it works, explaining how to do session replication, distributed caching, master/worker, and more.
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Using Terracotta for clustering or as a POJO-based Data Grid
Two recent articles discuss Terracotta DSO. The first is an overview piece that walks through using Terracotta in a simple example. The second is an article describing how to use Terracotta to build a POJO-based Data Grid.
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Presentation: Distributed Caching Essential Lessons
Cameron Purdy presents on improving performance and scalability of applications through the use of caching to reduce load on the database teir and & clustered caching to provide transparent fail-over by reliably sharing live data among clustered JVMs.
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O/R Mapping, Caching, and Performance
One of the common misconceptions about Object/Relational Mapping (O/R Mapping) frameworks is that they give developers caching for free and that caching improves performance. While O/R Mapping frameworks do rely on caching, improved performance isn't in the cards.