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| Queue Manager Service |
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| masteringmq |
 Posted: Sun Jan 25, 2009 3:20 am Post subject: Queue Manager Service |
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Master
Joined: 20 Oct 2008
Posts: 200
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| According to the IBM website a queue manager provides queuing services. For example the local queue and remote queue is part of the queue manager services. Apart from the queuing services are there any other services provided by the queue manager?. |
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| bruce2359 |
| Posted: Sun Jan 25, 2009 7:46 am Post subject: |
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Poobah
Joined: 05 Jan 2008
Posts: 9469
Location: US: west coast, almost. Otherwise, enroute.
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To answer this, you might want to read through the WMQ System Administration manual (midrange platforms).
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Lex Orandi, Lex Credendi, Lex Vivendi. As we Worship, So we Believe, So we Live. |
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| masteringmq |
| Posted: Sun Jan 25, 2009 8:10 am Post subject: |
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Master
Joined: 20 Oct 2008
Posts: 200
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According to the IBM website:
| Quote: |
| A service is used to define the user programs that are to be started and stopped when the queue manager is started and stopped. |
e.g
DEFINE SERVICE(TRIG_MON_START) +
CONTROL(QMGR) +
SERVTYPE(SERVER) +
STARTCMD('runmqtrm') +
STARTARG('-m +QMNAME+ -q "QL.TRIGGER_MSGS"') |
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| bruce2359 |
| Posted: Sun Jan 25, 2009 8:20 am Post subject: |
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Poobah
Joined: 05 Jan 2008
Posts: 9469
Location: US: west coast, almost. Otherwise, enroute.
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I (mis)understood your question to mean: what does WMQ do in the background in order to accomplish its stated purpose of providing messaging and queueing services to applications.
Take a look at the control commands (back half of the WMQ Sysadmin manual). Control commands represent services that WMQ provides as part of it objective to provide queueing services.
_________________
I like deadlines. I like to wave as they pass by.
ב''ה
Lex Orandi, Lex Credendi, Lex Vivendi. As we Worship, So we Believe, So we Live. |
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| masteringmq |
| Posted: Sun Jan 25, 2009 8:56 am Post subject: |
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Master
Joined: 20 Oct 2008
Posts: 200
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| Quote: |
| Control commands represent the services |
This would mean I have to first create the service that will run the control command when the service starts. |
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| bruce2359 |
| Posted: Sun Jan 25, 2009 9:19 am Post subject: |
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Poobah
Joined: 05 Jan 2008
Posts: 9469
Location: US: west coast, almost. Otherwise, enroute.
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| Quote: |
| Apart from the queuing services are there any other services provided by the queue manager? |
The word service has many meanings. WMQ is not a single program. Rather, WMQ is a sub-system comprised of hundreds of smaller internal applications, each comprised of smaller service-provider functions.
Queuing services (a broad meaning) provide an application access to the message-queuing model that WMQ implements. How WMQ implements the message-queuing model is through the use of many underlying services, like: error recovery, buffer management, message channel agents, disk I/O management, etc.. These are more discrete examples of services.
DEFINE SERVICE (from the WMQ MQSC manual): A service is used to define the user programs that are to be started and stopped when the queue manager is started and stopped.
So, one of WMQs services (DEF SERVICE) allows you to have an application start as part of queue manager startup.
Control commands are stand-alone service programs that are supplied by IBM, and are usually executed from a c: or $ prompt, but can be scripted or executed from a service definition. Each provides a discrete service, like: crtmqm, runmqchl, strmqtrc.
I pointed you to the control commands to give you an idea of what kinds of internal services (again, the word services has many meanings) WMQ requires to effectively provide the messaging-queuing paradigm.
_________________
I like deadlines. I like to wave as they pass by.
ב''ה
Lex Orandi, Lex Credendi, Lex Vivendi. As we Worship, So we Believe, So we Live. |
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| mqjeff |
| Posted: Sun Jan 25, 2009 9:58 am Post subject: |
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Grand Master
Joined: 25 Jun 2008
Posts: 17447
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One of the key points here is that the word "service" means many things in many contexts. Animal husbandry, for example, has an entirely different meaning of the word service than, say, the restaurant business.
So if you can ask a question that is not nearly so vague, and give us some idea of what your end goal in asking the question is - and hopefully this is to solve a particular problem rather than merely to education yourself at our expense - then you may get a more useful answer.
Please don't use this forum as a training resource. |
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| bruce2359 |
| Posted: Sun Jan 25, 2009 10:43 am Post subject: |
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Poobah
Joined: 05 Jan 2008
Posts: 9469
Location: US: west coast, almost. Otherwise, enroute.
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I'd also suggest that before posting questions here, that masteringmq do some research. Attempt to answer your own question first.
For example, search this post site for, in this case, the word service. Also, search Mr. Google for mq+service. Both searches yielded useful information.
Search also through the .pdf versions of the most popular MQ manuals (System Administration, MQSC, APG, APR) for the word service.
These searches would have given you a short list of WMQ services.
_________________
I like deadlines. I like to wave as they pass by.
ב''ה
Lex Orandi, Lex Credendi, Lex Vivendi. As we Worship, So we Believe, So we Live. |
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