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MQSeries.net Forum IndexWebSphere Message Broker SupportManaging the order of the start of message flows

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IIBnewbie2018
PostPosted: Sun Aug 05, 2018 12:55 pm Post subject: Managing the order of the start of message flows Reply with quote

Newbie

Joined: 18 Jun 2018
Posts: 7

Hello All,

Need help to understand in what order do the flows under an execution group start once the broker is restarted.

Can we change the order in which the flows under an execution group starts after the restart. I checked online and it wasn't possible in the earlier versions but would like to know if anyone has more information on this.

Thank you.
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gbaddeley
PostPosted: Sun Aug 05, 2018 4:17 pm Post subject: Reply with quote

Padawan

Joined: 25 Mar 2003
Posts: 1886
Location: Melbourne, Australia

Why do you have a dependency on msg flow start order? Flows should be designed to not have any operational issues due to start order.
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Glenn
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timber
PostPosted: Tue Aug 07, 2018 2:18 am Post subject: Reply with quote

Sentinel

Joined: 25 Aug 2015
Posts: 854

I agree with gbaddeley. Your requirement is unusual, and needs to be explained.
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IIBnewbie2018
PostPosted: Tue Aug 07, 2018 2:28 am Post subject: Reply with quote

Newbie

Joined: 18 Jun 2018
Posts: 7

Thank you for the replies.
Sorry if I hadn't explained the issue well, the message flows do not have any operational dependency on the order of starting.
The reason I needed it was to make sure that a critical message flow in the execution group starts first, before the other not-so-important ones so it can start processing the messages immediately.
I was thinking of creating a new execution group exclusively for the critical interface but wanted to check with the experts here if there is a better way to achieve the objective.
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timber
PostPosted: Tue Aug 07, 2018 5:41 am Post subject: Reply with quote

Sentinel

Joined: 25 Aug 2015
Posts: 854

Regardless of startup considerations, if the message flow has different non-functional requirements from the others then it should be in a separate execution group (integration server). Otherwise one of the other message flows could take up resources required by the high-priority message flow.
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gbaddeley
PostPosted: Tue Aug 07, 2018 4:53 pm Post subject: Reply with quote

Padawan

Joined: 25 Mar 2003
Posts: 1886
Location: Melbourne, Australia

timber wrote:
Regardless of startup considerations, if the message flow has different non-functional requirements from the others then it should be in a separate execution group (integration server). Otherwise one of the other message flows could take up resources required by the high-priority message flow.

Agree. Critical flows should be in separated IS's. This allows IS's to be started / restarted without affecting other critical / non-critical flows. We have *lots* of IS's for this very reason.
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Glenn
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IIBnewbie2018
PostPosted: Fri Aug 10, 2018 2:35 am Post subject: Reply with quote

Newbie

Joined: 18 Jun 2018
Posts: 7

Thank you everyone. The information is helpful. I'll create new Integration Servers as required.
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