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Databases

Last week's kickoff of FESI's research program went very well. There are a number of folks (>500) who are now following this blog on Java.net, and a number who have gotten involved.  While we wait for more folks, we'll be researching new technologies, the first being NOSQL databases.  If the kind of topics we're research interests you, please feel free to join the project;...
on May 5, 2010

Programming

 I'v just published an integration module for using GridGain with Spring Batch. Using this module you can distribute Spring Batch processing inside a GridGain grid with the implementation of remote chunking. http://aloiscochard.blogspot.com/2010/04/spring-batch-integration-module...
on May 4, 2010

Community

FESI Research Program Overview FESI is the Free and open source software Enterprise Solutions Institute. We are a research program designed to study tomorrow's internet technologies as a means to teach folks in the local workforce how to use technologies our customers will likely want to implement.  We also perform this research to prepare local engineers with the knowledge and...
on Apr 27, 2010

GUI

In my famous company innoQ I currently have the opportunity to work on a real cool tool: Bundle-Bee. It claims to be able to take any OSGi bundle and distribute the computational load to an ad-hoc grid (e.g. all machines in an office) without special setup or configuration. We just released version 0.5.3 which is still very restricted and far from feature complete - we don't even...
on Jan 28, 2010

Grid

This blog entry describes how WebSphere eXtreme Scale uses memory. This allows customers to better size how much memory they need when storing a large number of key value pairs in a grid.  The text is in my personal blog at this link.
on Oct 28, 2009
Yesterday, I said the most important aspect of an XTP platform is the management. Automatic placing of data on a grid of computers, automatic scale out as new boxes are added and automatic replica count maintenance as boxes fail or are taken out of the grid. It's this aspect which makes extreme possible as it makes writing applications very easy as all the management is taken care of. Whether to...
on Feb 22, 2008
I was explaining XTP in a meeting this morning and covered the usual aspects. It (in the form employed by ObjectGrid and its gigoherence competitors) uses replicated memory based storage for persistent state AND it uses a self healing/scaling grid to deploy that storage fabric on. Someone asked if XTP is just about memory based replication then? I said no. If it was just about memory based...
on Feb 21, 2008
This is a great question. Depending on who you ask, you get a different answer. Vendors will pitch what they think and why competitors are wrong. I guess I just want to put out what I think it is so here goes. Topology Topology wise, there are three styles. The fixed number of partitions where records hash to one partition is the first. This is typical of the default mode of ObjectGrid and...
on Feb 5, 2008
This morning I came across a whitepaper from GigaSpaces entitled: Space-Based Architecture and The End of Tier-based Computing Perhaps the most widely adopted style of software architecture is the N-Tier architecture... the separation of concerns based on stacked tiers of functionality. The "Three-Tier" architecture is perhaps the best known N-Tier approach, with functionality separated into...
on Aug 15, 2006