I spent the last 2 weeks in Boston working with the oracle coherence team and how that product works and I am impressed with it. One thing which I was keen on testing out / learning in depth was the read-write-backing-map-scheme. I specifically wanted to learn write-behind which when enabled the cac ...
Dessert Island Disks Top 3 reasons for using Coherence have to be: Speed, Scalability and Fault Tolerance. When designing systems with Coherence it’s easy to get carried away with the latter, es pecially when you start to embed your own services and leverage the implicit fault tolerance for your own ...
Oracle Fusion Middleware VP Cameron Purdy discusses how Coherence*Web, Oracle Coherence's HTTP session management module, works to provide greater scalability, availability, and performance for web applications. Watch the videocast. Cameron also highlights a key oracle program that customers can use ...
Photograph by Nathan Wolfe There is a softness that often times creeps in when sitting silently. The despondent and yet comforting rain falling outside lends itself to a certain mood. OK. Take a breath. Close your eyes. The peal of the lightning and thunder somewhere up above me keeps playing on my ...
If you’ve been using Coherence for a while (or any other distributed cache service like Gigaspaces or Gemstone) you will have no doubt had that moment of clarity where you realise that power and grace of collocating data and processing. As a toy example lets conside r pricing a large portfolio of tr ...
Ed Watkinson recently asked: Enchanting the reader is an easy task in the case of fiction stories, but only if they are properly premeditated and later depicted well. In the case of Harry Potter, J.K Rowling had been quite vigilant in maintaining the coherence and thrill at the same time in order to ...
As announced at the London Coherence SIG last week, we’ve released a new set of updates to the Coherence Incubator, the major highlights being; Introduction of the new Examples Project: This contains a set of Coherence Incubator Examples. Once easy download that includes all of the patterns, includi ...
If you come across the following, don't get surprised. Its called Functional programming.object FP { def doSomething (callback: () => Unit) { callback(); } def letsPrint() { println ("Ha ha!"); } def main (args: Array[String]) { doSomething (letsPrint) }}Functions in Scala are treated as Objects tha ...
Coherence being an In-memory data grid, it is important to provision the hardware right. Many factors play different roles - Total RAM on the box, avoiding paging, providing linear scalability without stepping on Out of Memory errors and so on. Now the problem is how to measure how many additional n ...
Learning to connect with your authentic nature moves you into a personal energy flow that affects your entire life in a strong and positive way. Our personal energy system is the means through which we directly contact and receive information regarding the people, places and things we come into cont ...
