InfoQ Homepage Clustering & Caching Content on InfoQ
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Run Your Own Google Style Computing Cluster with Hadoop and Amazon EC2
Amazon's EC2 Elastic Computing cloud allows developers to acquisition computing power a the rate of $0.10 per hour consumed. Work as been done to allow Hadoop an open source MapReduce implementation written in Java to run on EC2. This combination will allow developers to write scalable algorithms and then bring up large numbers of servers to use as computing power for them as needed.
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Clustering Lucene with TerraCotta
Engineers at TerraCotta have detailed a new way to cluster Lucene, the popular text search library from Apache. Their method involves implementing the Lucene RAMDirectory interface and using TerraCotta DSO to share the RAMDirectory across JVMs.
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Coherence 3.2 Enhances Clustered Data Client and Grid Computing Support
Tangosol, Inc. is releasing version 3.2 of the Coherence Data Grid Solution Set in October. Coherence provides data replication, partitioning, caching, and grid computing functionality across a cluster of computers. This release adds three new data client options and such features as enhanced TCP/IP support, Websphere 6.0 support and interoperability for .NET and C++.
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Terracotta Releases Clustering for Spring
Terracotta, Inc. recently released their new Terracotta for Spring product which provides high-availability and high performance clustering to applications written using the Spring framework. Terracotta for Spring integrates at the configuration file level reducing the need for developers to make changes to their code to enable clustering support.
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Gemstone Releases GemFire 5.0 Enterprise Data Fabric
GemStone Systems has introduced GemFire Enterprise 5.0 an enterprise data fabric for JEE, grid, and SOA applications. GemFire supports massive data loads while providing scalability, data integrity, and fail over. Version 5.0 adds features such as enhanced data partitioning and caching event models.
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Best Practices for Planet-Scale Software Updates
A new Microsoft research paper has examined data from billions of Windows update queries from 300 million computers using the Windows update service in order to learn about the traffic characteristics of software patch distribution and also examine alternative architectures (P2P and caching) to support planet-scale software updating.
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JBoss Cache 1.4 Released; Adds Buddy Replication
JBoss has released JBoss Cache 1.4 final, their distributed caching product which also includes PojoCache (formely TreeCacheAOP). The release adds Buddy Replication and Data Gravitation features and also optimizes their RPC marshalling algorithm resulting in 20-50% improved performance and throughpout.
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IBM ObjectGrid Distributed Transactional Cache Available
IBM has been quietly working on ObjectGrid, a distributed cache product as part of their Websphere Extended Deployment platform which also runs standalone with any server. Some key differentiators include transactional access, authorized cache access via JAAS and scalability to 100's. An limited eval version of ObjectGrid is available.
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Terracotta releases free 4 node Tomcat Session Clustering
JVM clustering vendor Terracotta has released for free use their Terracotta Sessions for Tomcat. The product is based on their distributed shared objects (DSO) product which uses a hub and spoke architecture and can synchronize changes across nodes at the field level (instead of serialization). The license allows projects with up to 4 nodes in their cluster to use it for free.