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| Performance with multi-threaded instances |
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| JYama |
 Posted: Wed Oct 31, 2007 5:48 pm Post subject: Performance with multi-threaded instances |
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Master
Joined: 27 Mar 2002
Posts: 281
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Hello, all,
I'd like to know about how I can design the number of additional instances of a message flow.
Does anybody have an experience on it?
In my experience, I know that one of the effective design to get the best performane is multiple execution groups(EGs). Also I know that the number of EGs we can configure depends on the number of CPUs. For example, if a box has two CPUs, two EGs can be a good design.
But how about the relationship between the number of CPUs and additional message flow instances (multi-threaded flows)?
Is it the same as EGs?
I know it really depends on the environment including message flow design, but are there best practices or general ideas on that?
Any comments are welcome.
Many thanks in advance,
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| jefflowrey |
| Posted: Thu Nov 01, 2007 5:03 am Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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Most mult-processor architectures/OSes don't let you share threads across processors. Just, um, procceses.
So there's no real connection between CPUs and instances.
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| PeterPotkay |
| Posted: Thu Nov 01, 2007 8:58 am Post subject: |
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Poobah
Joined: 15 May 2001
Posts: 7722
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| JYama |
| Posted: Thu Nov 01, 2007 4:29 pm Post subject: |
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Master
Joined: 27 Mar 2002
Posts: 281
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Thank you very much for your useful information, all.  |
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| rajmq |
| Posted: Fri Nov 02, 2007 5:38 pm Post subject: |
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Partisan
Joined: 29 Sep 2002
Posts: 331
Location: USA
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Other important aspect, if you add the additional instances then you should check the database connection as well.
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