Deploying Node js application in Weblogic application server

[Joe Arun Kumar]

Is it possible to use Node JS with weblogic server. We are planning to use weblogic as application server.

[Gerald Klein]

Weblogic serves Java, not node which is javascript, you would need a node app server for the portions that are in node

On Thu, Jun 11, 2015 at 9:45 AM, Joe Arun Kumar <joearu...@gmail.com> wrote:

Is it possible to use Node JS with weblogic server. We are planning to use weblogic as application server.

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[Steve Bradshaw]

Hi,

Weblogic is a java application server, so you can deploy J2EE apps to it, not sure how that would help with node.js.

Maybe if you had Oracle Fusion Middleware deployed on top, you *may* be able to extend the opmn part to control node.js but I've no experience with that - it controls Oracle HTTP server, webcache etc.

Thanks, Steve

On Thu, Jun 11, 2015 at 3:45 PM, Joe Arun Kumar <joearu...@gmail.com> wrote:

Is it possible to use Node JS with weblogic server. We are planning to use weblogic as application server.

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[Joe Arun Kumar]

Weblogic is highly scalable, we can have multiple managed servers, load balancing and site based server concepts. Is there similar kind of scalability in Node JS?

[Gerald Klein]

The simple answer is yes, Node scales well, clustering and so forth is supported

On Mon, Jun 15, 2015 at 1:19 AM, Joe Arun Kumar <joearu...@gmail.com> wrote:

Weblogic is highly scalable, we can have multiple managed servers, load balancing and site based server concepts. Is there similar kind of scalability in Node JS?

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[Gal Levinshtein LinkedIn.com]

This is an interesting topic.  I suppose one can fork, spawn or exec a Java program in NodeJs to have them "talk" to each other as far as integration is concerned.

I myself do have a question as far as Managing Network resources on an enterprise level with Nodejs & further analysis of integration with non-js type of apps, be it Java, .Net, etc. etc. etc. 

Another interesting topic would be to further understand interprocess communications with NodeJs & other server technologies.

Does anyone have any resources for integrating Node & understanding interprocess communications with NodeJs & other server technologies ?

Thank you very much !!!

Gal Levinshtein

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[ryan_stevens]

Node scales very "predictably", whereas JVM apps scale- but only as good as the hardware you deploy them on.  Let me explain, a single node process will be able to respond to the to N number of requests per second before response times start to rise to unacceptable amounts.  The amount for N will be surprisingly performant off the bat, the actual value doesn't matter for what I'm explaining.  You will be able to scale on a single machine by increasing the number of node processes to the number of CPU cores (C) to handle them.  The total requests per second (RPS) will not necessarily be N x C since you will still be contending for network IO and other resources- but it will be fairly close.  If the value of the total RPS isn't good enough on a single machines with many node processes, then simply add more machines to scale horizontally.  

Generally speaking it is not the greatest idea to deploy Node.js applications on a physical machine that is tuned for a large "scalable" JVM application.  The reason is most JVM machines are tuned for many CPU's and even more RAM.  Node.js' heap has an upper bound of around 1.5 (this can be raised), and most importantly is NOT shared between different node processes.  So in a way you need a sizable amount of RAM since you will be launching a lot of node processes on a single machine to utilize CPU cores, but there is no economy of scale of a shared heap that JVM applications enjoy so often times there is a lot of RAM left laying on the table.  It is typically cheaper and more cost effective to deploy node applications on smaller hardware, but pay for more machines to scale horizontally.