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| Calling flows from different execution group |
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| sateliter |
 Posted: Mon Sep 08, 2014 9:10 am Post subject: Calling flows from different execution group |
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Newbie
Joined: 03 Apr 2014
Posts: 2
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We are in an Enterprise environment: several flows and several execution groups.
We have a flow in one execution group, and would like to call another flow but it is in another execution group. To be able to call between flows we are using web services. But it’s a little bit silly do that, because flows are in the same server and we are paying the penalty of serializing / de-serializing SOAP.
What would be the best way in terms of performance/maintenance/reusability?
A solution would be to put all the flows in the same execution group, but it would be a massive execution group. I don’t think this would be feasible, and if the execution group goes down, the whole operation goes down.
A different solution would be the creation of copies of the flow and deploy them in every execution group that requires invoking that flow. But here the maintenance would be a hell. Every change in the flow you would need to replicate it to the other execution groups but this is prone to human errors.
Any advice would be appreciated. |
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| mqjeff |
| Posted: Mon Sep 08, 2014 9:15 am Post subject: |
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Grand Master
Joined: 25 Jun 2008
Posts: 17447
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why do you think having two flows in the same EG lets you avoid serialization/deserialization?
What is required to start a flow? What is the difference between a flow and a subflow? |
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| Vitor |
| Posted: Mon Sep 08, 2014 9:35 am Post subject: Re: Calling flows from different execution group |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| sateliter wrote: |
| But it’s a little bit silly do that, because flows are in the same server and we are paying the penalty of serializing / de-serializing SOAP. |
You're making an assumption that they will always be in the same server. If this is enterprise solution then you must assume that the enterprise will grow and you'll need more capacity for more business throughput. Even if you scale up the current server, sooner or later you'll reach the maximum for the hardware and need to distribute over a second (or third) server.
Or your business continuity people will discover that, as you phrased it, "the whole operation" is on the same server. At this point they will tie you to a stake and pile firewood round you, while chanting "Single Point Of Failure" in three-part harmony until you agree to distrubute over redundant hardware.
So how much does this serialization/deserialization cost anyway?
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Insanity is the best defence. |
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| shashivarungupta |
| Posted: Mon Sep 08, 2014 12:53 pm Post subject: Re: Calling flows from different execution group |
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Grand Master
Joined: 24 Feb 2009
Posts: 1343
Location: Floating in space on a round rock.
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| sateliter wrote: |
We have a flow in one execution group, and would like to call another flow but it is in another execution group. To be able to call between flows we are using web services. |
I am completely agree with mqjeff and his valid questions.
If you are using some message flows in multiple other flows... then why don't you convert them to subflow(s) and use it as reusable component(s) wherever you want.
Libraries are there where you can place reusable components and can easily manage/maintain them, as Schema/WSDL.
By 'Enterprise Environment' , do you mean A2A or B2B ? (though these terms are older now and not getting used frequently) but in any of the cases if the business expands on either side there are pertty good chances after that you tend to do some modifications/adjustments to fit into, without affecting business.
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