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| SMF reporting on mainframe queue |
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| zpat |
 Posted: Mon Jul 10, 2006 1:31 am Post subject: SMF reporting on mainframe queue |
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Jedi Council
Joined: 19 May 2001
Posts: 5866
Location: UK
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We have an application that runs on Windows but connects to the mainframe queue manager (MQ 5.3.1) via MQ client.
The application reads a single request queue and replies to a single reply queue.
It is multi-threaded and the replies contain their CORRELD set from the request message MSGID so that the requesting program can retrieve their own reply message.
The question is - how can I determine the response time from a request message being retrieved (MQGET) to the reply message being put (MQPUT) - bearing in mind the multi-threading nature of the application?
Would SMF records contain the MQMD so that I could tie up the each pair of request/reply messages and measure the elapsed time for each response?
I've never used SMF records for MQ so any advice appreciated - can these be turned on selectively (eg by queue?). |
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| kevinf2349 |
| Posted: Mon Jul 10, 2006 6:51 am Post subject: |
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Grand Master
Joined: 28 Feb 2003
Posts: 1311
Location: USA
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| Quote: |
| can these be turned on selectively (eg by queue?). |
I'm afraid not. It is all or nothing. |
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| fjb_saper |
| Posted: Sat Dec 23, 2006 7:56 am Post subject: |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
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Zpat have you tried having report options turned on?
Assuming time synchronization of both PC and MF...
Depending on whether you want queue time to be added (coa) or just time on queue of the message (cod - coa) etc...
On the PC you can then take the date time of the coa/cod message and compare to the date time of the reply message ==> this gives you time on MF Queue + processing time. Now use current timestamp and you can deduct time in transit (MF + CHANNEL + Time on local Q until pick up...)
With statistics you might even get average and max time on local queue...
You can also use a monitoring tool for that
Enjoy 
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| tleichen |
| Posted: Thu Dec 28, 2006 8:15 am Post subject: |
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Yatiri
Joined: 11 Apr 2005
Posts: 663
Location: Center of the USA
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| fjb_saper wrote: |
...Assuming time synchronization of both PC and MF...
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And care must be taken, for this is sometimes harder to achieve in some environments than one might think, especially to millisecond accuracy, which some message transport times will be measured in. 
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IBM Certified MQSeries Specialist
IBM Certified MQSeries Developer |
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| fjb_saper |
| Posted: Thu Dec 28, 2006 2:46 pm Post subject: |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
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Sure but if you happen to know by how much the clocks are off you can factor that into your calculations...
Enjoy
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