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Dividing Applications into different OC4Js

Posted on 2005-05-10
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My colleague at another site is currently configuring his mid-Tier so that each application is installed in different OC4J. Considering we have four different levels of environments (dev/test/integration/production), this means four OC4Js per application.

His justification is that they can "stop" the application any time he wants by stopping the OC4J.

Is this correct and if so why? If not why and what is the correct way?

Does anyone have any experience of when it would have been better to have multiple OC4Js?
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Question by:rkogelhe
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bochgoch earned 500 total points
ID: 13984382
There are no hard and fast rules regarding OC4J configuration / app distribution. Given your four stage environment and the potential risk of running development and test / int / prod software on the same server, I'd see your colleagues solution as 'correct'. Many (large) organisations would run with a complete app server instance (hardware and software) for each of those stages, so I think this is a good compromise. There is a very little difference from an app performance point of view -- the benefits are mainly administrative.

bg

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by:rkogelhe
ID: 13991026
Thanks for your answer. It confirms what I understand.

I agree that it's a safer way to run things for production (with one app per oc4j). What I think I'll do is mix it a bit. A single dev oc4j and test oc4j, but app-isolated oc4js in integration and production, with the integration oc4js only started for integration testing purposes. I'll also recommend that they keep applications together (in the same oc4j) that they see as dependent on one-another and that would be stopped together or deployed together anyway.
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by:bochgoch
ID: 13995031
I agree a single dev & test environment is probably safe enough & reduces unnecessary admin

good luck

bg
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