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| Port usage vs performance |
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| pabouche |
 Posted: Tue Oct 23, 2001 12:06 pm Post subject: |
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Newbie
Joined: 18 Oct 2001
Posts: 2
Location: Montreal, QC, Canada
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I am wandering if anybody had experiment with using multiple ports for one Queue Manager and if this leads to any perfomance gain or any other side effect
Thanks |
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| NickB |
| Posted: Tue Oct 23, 2001 11:55 pm Post subject: |
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Centurion
Joined: 20 May 2001
Posts: 107
Location: Zurich Financial Services
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We use multiple ports for our queue managers. Originally this was for historic reasons as we started out by using inetd for our port listeners. We then moved to using the MQ listener and the two approaches co-exist. We also define additional MQ listener programs to support different levels of service across different channels.
So, multiple ports work quite happily, but obviously you would need to move away from inetd and use the MQ listener. |
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| pabouche |
| Posted: Wed Oct 24, 2001 10:33 am Post subject: |
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Newbie
Joined: 18 Oct 2001
Posts: 2
Location: Montreal, QC, Canada
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Thanks Nick,
We effectivly use the MQListeners. Can you make any statement on the performance or usefullness of multiple ports for one QManager? |
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| NickB |
| Posted: Thu Oct 25, 2001 12:29 am Post subject: |
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Centurion
Joined: 20 May 2001
Posts: 107
Location: Zurich Financial Services
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In general, listeners:
- start faster
- use less memory
- are easier to configure, start and stop
- offer more control and separation, e.g. can stop traffic coming in on a specific port by closing off that listener
However note that there are restrictions on the maximum number of concurrent connections when using the listener (e.g. 100 for AIX) |
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