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| Problem LINUX with listener WebSphere MQ (Many instances) |
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| biker30 |
 Posted: Mon Sep 04, 2006 9:15 am Post subject: Problem LINUX with listener WebSphere MQ (Many instances) |
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Newbie
Joined: 23 May 2006
Posts: 7
Location: Chile
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Hi all,
I've a problem:
Server Detail:
- 1 Server with Linux Redhat AS3 2.4.9-e.49smp
- WebSphere MQ V.53 FixPack 11
1.- Applications that work with MQ and are connected to QMGR using MQCONNX in it's own thread.
2.- Many instances of listener process, near of 513 instances (runmqlsr), ei: ps -fea|grep runmqlsr
/usr/bin/runmqlsr -t TCP -p 1414 -m SXX01.P.QM
/usr/bin/runmqlsr -t TCP -p 1414 -m SXX01.P.QM
.
.
/usr/bin/runmqlsr -t TCP -p 1414 -m SXX01.P.QM
/usr/bin/runmqlsr -t TCP -p 1414 -m SXX01.P.QM
3.- This operation causes that the QManager fails and FDCs associated to the administration of the file mqs.ini, with message ("Too many open you case out from open")
---FDC-------------------
XY017001
AMQ6162: An error has occurred reading an INI file
/mqm/mqs.ini
Too many open files
------------------------
4.- I have setting the environment variable MQNOREMPOOL to 1. But this change doesn't work and many copies of process runmqlsr are running (513 instances)
5. - Display Channel SVRCONN does not surpass the 20 concurrent connections
A.- How i can resolve this problem,
B.- How can force that runmqlsr process work with a limited number of instances, for example, five copies
C.- this would have to work with the configuration of variable MQNOREMPOOL ???
Please Help me.
Thanks in advanced,
Rodrigo
IBM Certified Specialist WebSphere MQ
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| wschutz |
| Posted: Mon Sep 04, 2006 10:12 am Post subject: |
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Jedi Knight
Joined: 02 Jun 2005
Posts: 3316
Location: IBM (retired)
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These are remote appications connecting via a MQI channel? Are they doing MQDISC?
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-wayne |
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| biker30 |
| Posted: Mon Sep 04, 2006 10:52 am Post subject: Problem LINUX with listener WebSphere MQ (Many instances) |
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Newbie
Joined: 23 May 2006
Posts: 7
Location: Chile
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yes, application using MQI Channel and status the Svrconn channel it does not exceed the 20 connection. All applications doing MQDISC.
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| jefflowrey |
| Posted: Mon Sep 04, 2006 11:48 am Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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MQNOREMPOOL is only a Windows variable, I think.
ps -ef on Linux shows threads as well as processes. Your instances of runmqlsr may not be what you think they are.
The number of channels open wouldn't necessarily hvae anything to do with the /mqm/mqs.ini failures.
A) You haven't clearly identified your problem - that the queue manager crashes when you run out of resources? Did you look at the "Kernel Configuration" section of the Quick Beginnings guide fro your platform?
B) You can't control how many instances or threads of runmqlsr there are, except by controlling the number of connections that are created by your applications or the number of connections that are allowed by your queue manager (max channels). You don't want to do either, if the workload is what the business requires.
You might consider setting KeepAlive and AdoptNewMCA or AdoptMCA or whatever it's called, if you have applications that are connecting and disconnecting fairly rapidly.
C) Again, I think MQNOREMPOOL is only a Windows variable, and so no help for whatever your problem is.
And I would expect that a Certified WebSphere MQ Specialist would have *started* by looking in the Quick Beginnings guide for the platform.
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