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| MQRC_Q_DEPTH_HIGH reported on first msg, QDEPTHHI(8) |
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| sebastia |
 Posted: Sat Feb 08, 2014 3:55 am Post subject: MQRC_Q_DEPTH_HIGH reported on first msg, QDEPTHHI(8) |
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Grand Master
Joined: 07 Oct 2004
Posts: 1003
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Hi - I am using mq 7.5.0.1 under windows.
Want to receive an event when a queue reaches a threshold of 8 messages. "low" threshold is set to 2.
So I configured
| Code: |
1 : DISPLAY QL(QL1)
AMQ8409: Display Queue details.
QUEUE(QL1) TYPE(QLOCAL)
ACCTQ(QMGR) ALTDATE(2014-02-08)
CRTIME(10.45.33) CURDEPTH(0)
MAXDEPTH(23) MAXMSGL(4194304)
MONQ(QMGR) MSGDLVSQ(PRIORITY)
QDEPTHHI(8) QDEPTHLO(2)
QDPHIEV(ENABLED) QDPLOEV(DISABLED)
QDPMAXEV(ENABLED) QSVCIEV(NONE) |
My event monitor is the code from
MQ_v7_Monitoring MQ_csqzax06.pdf, SC34-6937-00, page 151 [163/387].
I verify the queue is empty, and I start putting messages into the queue. After 2 messages, the SYSTEM.ADMIN.PERFM.EVENT queue receives a message like this:
| Code: |
Performance event:
CompCode(WARNING)
Reason = [MQRC_Q_DEPTH_HIGH].
Parameter count is [6].
{MQCA_Q_MGR_NAME} [SMQ
{MQCA_BASE_Q_NAME} [QL1
Print FMQCF Integer, parameter is [35, 0x23].
MQIA_TIME_SINCE_RESET [12]. (X'C').
Print FMQCF Integer, parameter is [36, 0x24].
MQIA_HIGH_Q_DEPTH [2]. (X'2').
Print FMQCF Integer, parameter is [37, 0x25].
MQIA_MSG_ENQ_COUNT [2]. (X'2').
Print FMQCF Integer, parameter is [38, 0x26].
MQIA_MSG_DEQ_COUNT [0]. (X'0'). |
The queue values are OK:
| Code: |
1 : DISPLAY QL(QL1) CURDEPTH
AMQ8409: Display Queue details.
QUEUE(QL1) TYPE(QLOCAL)
CURDEPTH(2)
One MQSC command read.
1 : DISPLAY QL(QL1) QDEPTHHI
AMQ8409: Display Queue details.
QUEUE(QL1) TYPE(QLOCAL)
QDEPTHHI(8) |
My question is :
why am I receiving the event on queue depth = 2
when I requested to get it on depth = 8 ?
Sebastian. |
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| fjb_saper |
| Posted: Sat Feb 08, 2014 6:41 am Post subject: |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20696
Location: LI,NY
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Because you requested it that way.
I believe qdepth low and high are given in % of max q depth
So 8% of 24 is 1.92 and thus at 2 you get a high depth event.
And I'm sure just about now you're saying Doh!!!
Working as designed. 
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| sebastia |
| Posted: Sat Feb 08, 2014 7:45 am Post subject: |
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Grand Master
Joined: 07 Oct 2004
Posts: 1003
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Thanks a lot, mr Saper.
I don't get what "now you're saying Doh" means, because english is my 3rd language, but now I catch the meaning.
I missed the last line when reading ...
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QDEPTHHI(integer) The threshold against which the queue depth is compared to generate a Queue Depth High event. This parameter is supported only on local and model queues. For more information about the effect that shared queues on z/OS have on this event, see the Monitoring WebSphere MQ book. This event indicates that an application has put a message on a queue, and this has caused the number of messages on the queue to become greater than or equal to the queue depth high threshold. See the QDPHIEV parameter.
>>>
The value is expressed as a percentage of the maximum queue depth (MAXDEPTH parameter), and must be greater than or equal to zero, and less than or equal to 100. |
I LOVE THIS FORUM !!!
Sebastian. |
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| bruce2359 |
| Posted: Sat Feb 08, 2014 7:50 am Post subject: |
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Poobah
Joined: 05 Jan 2008
Posts: 9399
Location: US: west coast, almost. Otherwise, enroute.
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"Doh!" is from "The Simpsons" cartoon tv show here in the US. "Doh!" is Homer Simpson's simple declarative; alternatives of which would be considered crude and offensive. Merde, if you speak French; mierda, Spanish, come to mind as alternatives.
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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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| sebastia |
| Posted: Sat Feb 08, 2014 8:11 am Post subject: |
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Grand Master
Joined: 07 Oct 2004
Posts: 1003
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Thanks, Bruce. No way to understand that from Spain, even we've been watching Simpson's for 20 years, hehehe
Thanks, mr Saper for the "%" detail and your patience ... |
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| fjb_saper |
| Posted: Sat Feb 08, 2014 8:36 pm Post subject: |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20696
Location: LI,NY
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| sebastia wrote: |
Thanks, Bruce. No way to understand that from Spain, even we've been watching Simpson's for 20 years, hehehe
Thanks, mr Saper for the "%" detail and your patience ... |
De nada Señor Sebastia.
No se preocupe, le entiendo buen, porqué Castillano es mi quartero idioma
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| sebastia |
| Posted: Sun Feb 09, 2014 1:59 am Post subject: |
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Grand Master
Joined: 07 Oct 2004
Posts: 1003
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