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| nayanan |
 Posted: Thu May 09, 2002 8:19 am Post subject: |
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Newbie
Joined: 08 May 2002
Posts: 5
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Is it possible to simulate connection pooling which is available in Java/JMS in c/c++? We have *several* clients connecting to the queue manager which is pushing the server to its knees. We are looking into ways to channel the incoming requests so there are only so many connections (amqcrsta proceeses) open at any given time. The use of MQ Listener has been suggested but for now, we are refraining from using it until MQ 5.3 is released.
Any tips, suggestions and pointers are greatly appreciated.
Thanks, |
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| mrlinux |
| Posted: Thu May 09, 2002 8:24 am Post subject: |
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Grand Master
Joined: 14 Feb 2002
Posts: 1261
Location: Detroit,MI USA
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First questions what platform, and several clients should not bring the server to it's knees, you may have other issues that need to be resolved.
_________________
Jeff
IBM Certified Developer MQSeries
IBM Certified Specialist MQSeries
IBM Certified Solutions Expert MQSeries |
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| nayanan |
| Posted: Thu May 09, 2002 8:31 am Post subject: |
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Newbie
Joined: 08 May 2002
Posts: 5
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Platform - HP-UX 11i. (L Class servers)
Kernel parameters are tuned way above the "prescribed" limits. The server presently accepting a load of 550 client conx. We have a need to add 800 more. QA tests indicate NO response from the server (ls -l takes 5+ mins) once fully loaded. Thanks |
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| mrlinux |
| Posted: Thu May 09, 2002 8:41 am Post subject: |
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Grand Master
Joined: 14 Feb 2002
Posts: 1261
Location: Detroit,MI USA
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Ok well that is way above you previous statements of a several clients.
However there is parameter for tuning the TCP Listener backlog.
IN QM.ini
TCP:
ListenerBacklog = n
Platform Default listener backlog value
AIX V4.2 or later 100
AIX V4.1 10
HP-UX 20
Sun Solaris 100
All others 5
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Jeff
IBM Certified Developer MQSeries
IBM Certified Specialist MQSeries
IBM Certified Solutions Expert MQSeries |
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| nayanan |
| Posted: Thu May 09, 2002 8:53 am Post subject: |
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Newbie
Joined: 08 May 2002
Posts: 5
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Thank you, mrlinux..
I am still interested in finding out if connection pooling is possible in c/c++. If anyone has experiece in implementing such a beast, I'd greatly appreciate some pointers/code samples.
Thanks. |
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