I was a bit surprise when I opened my emails toward the end of the afternoon...
http://www.infoq.com/news/2009/01/clojure_production I did not realized that my post of last week would travel so fast. As for the VB stuff, well I am struggling with an SQL query today to get an ad hoc report done... beurk ! We each have our burden to carry in life :))) Luc On Wed, 2009-01-14 at 13:21 -0800, budu wrote: > Congratulation, this is quite amazing to see Clojure mature so fast > and already working in production system. Sorry but I need to get back > at finding that damn bug in a 10 years old VB legacy application :-( > > On Jan 13, 10:38 am, Luc Prefontaine <lprefonta...@softaddicts.ca> > wrote: > > Hi everyone, > > > > as of yesterday pm, Clojure is running in a live system in a big > > veterinarian hospital. > > > > We designed an HL7 message bus to link several services within the > > hospital. > > Presently we link the medical record system with the radiology > > department. > > The main benefit is to avoid re-keying information about patient and > > requests in every system. > > > > We also provide some key applications on the bus to allow people to > > share information in a consistent > > way along the system they use on a daily basis. It's like a Babel tower, > > radiologists want to work > > with their radiology system while the administration wants to work with > > the medical record system to > > bill, ... each of these systems meet specific needs of a user base. > > However there is a need for a common ground to share information. That's > > what our product offers. > > > > This year the bus will expand to encompass prescription requests with > > the pharmacy, the lab exams > > and a couple of other systems. We have also another prospect so we may > > end up with more than one site > > by the end of 2009. > > > > The bus is designed to be a product, not a set of integration tools to > > be assembled differently > > at each customer site. It is highly configurable, all message based and > > runs on distributed hardware. > > > > Clojure drives the top level logic of the bus (routing decisions, error > > handling, archiving, ...). > > > > After digging for some parallel processing language better than Java, > > Clojure emerged as a logical choice. > > The design of this system is distributed with fault tolerance in every > > software function but we needed to have > > some options about the low-level components. Having access to all Java > > libraries out there was a major factor > > in our decision to use Clojure. > > > > Presently it runs on six small boxes like this one: > > > > http://www.fic.com.tw/product/ficimages/minipc.jpg > > > > with an internal redundant network. Each function is running in > > master/slave mode with automatic fail over. > > The throughput of the system is at least two thousands transactions an > > hour. You can unplug cables, boxes, ... > > and it still runs. It can sustain more than one fault before it fails. > > > > In the following year using Clojure and Terracotta we expect to bring > > the degree of parallelism up to a point were we will > > be able to run concurrently all the functions on multiple boxes and get > > rid of the master/slave mode. > > Distributed clusters are also in the pipe to allow to route between > > different sites while keeping local site traffic and different local > > applications. > > > > Expect a web site about this product in the next 2/3 months. We will > > give Clojure visibility on this site. > > Many of the key features of the system rely on Clojure so we would like > > to give credit to Clojure and Rich. > > Maybe this will be an incentive for people to look at Clojure as a > > viable alternative to other functional > > languages. > > > > Rich, thank you and congratulation, your baby has grown up well in the > > last year and it will soon be asking for the car keys :)))) > > > > Luc > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en -~----------~----~----~----~------~----~------~--~---
