1) EHR: Electronic Heath Record, ie computer system used to management 
patient care and information at a hospital.  Normally these cost healthcare 
organisations multi-million dollars - VistA is Free Open Source.

2) No, not at all! EWD.js uses a pool of child processes which can be as 
big as you like - these do the database interaction work.  So you get as 
much concurrent activity as you need.  It's all documented, eg:

http://gradvs1.mgateway.com/download/EWDjsArchitecture.pdf

Try the installer out and see it in action for yourself

Rob

On Tuesday, 4 March 2014 11:40:24 UTC, ajlopez wrote:
>
> Quick comment:
>
> As a foreign developer, I'm a bit confused by the acronyms in that 
> interesting post. EHR is not defined, so I found it in other of your post 
> (where you defined it). NHS is another one.
>
> Another comment, about 
> http://ec2.mgateway.com/ewd/ws/index.html
>
> Yes, no callback hell, but, only one request at a time? is it true? Maybe 
> you could apply Meteor ideas: no callback hell, but fibers
> https://www.meteor.com/
>
> Angel "Java" Lopez
> @ajlopez
>
>
>
>
> On Tue, Mar 4, 2014 at 8:31 AM, rtweed <rob....@gmail.com <javascript:>>wrote:
>
>>  How to get involved if you're interested in this important market sector:
>>
>>
>> http://robtweed.wordpress.com/2014/03/04/vista-the-hackable-open-source-ehr-hackable-platform/
>>  
>>
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