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MQSeries.net Forum Index » WebSphere Message Broker (ACE) Support » Broker startup time

Broker startup time

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jpgremaud

Posted: Sat Feb 04, 2012 1:37 am Post subject: Broker startup time

Newbie

Joined: 03 Jan 2005
Posts: 3

Can we estimate the broker startup time in function of the number of flows that are deployed ? Is there any average startup time available depending of different SW platforms ? Any information related to this topics could help.
Thanks.

smdavies99

Posted: Sat Feb 04, 2012 1:58 am Post subject:

Jedi Council

Joined: 10 Feb 2003
Posts: 6076
Location: Somewhere over the Rainbow this side of Never-never land.

Broker startup is one of those great imponderables.

I know of a system that can take more then 30 minutes to startup properly.

At the moment, it is a free for all. All the EG's get kicked off at the same time. Thus they fight for resources and CPU time to get going. IF they don't get started before they timeout, they get killed and start all over again.

I'd really like to be able to control the order etc of EG startup so that it is phased with the most critical bits starting first.

Perhaps this has improved with V8 but I'm not in a situation yet where I can test this.
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lancelotlinc

Posted: Mon Feb 06, 2012 5:49 am Post subject:

Jedi Knight

Joined: 22 Mar 2010
Posts: 4941
Location: Bloomington, IL USA

smdavies99 wrote:

I know of a system that can take more then 30 minutes to startup properly.

I agree here. Thats why you don't stop/restart EGs unless undergoing maintenance with appropriate notifications to your upstream users. Two hour or four hour maintenance windows are common, once per week.
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