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Re:Load stress testing & performance tuning (1 viewing) (1) Guest
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TOPIC: Re:Load stress testing & performance tuning
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kvandersluis (Admin)
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Re:Load stress testing & performance tuning 10 Years, 5 Months ago Karma: 13  
Hi Noam,

Paul made the comparisons in our environment, and let me know earlier this week that our results are fairly consistent with yours, for your specific use case. It does appear that what I mentioned earlier is true, that you do suffer a penalty based on the interpretive nature of the engine. The configuration you are using does not have any major issues, so your numbers are likely what you can expect using the current release. We found that you can improve speed a small amount (a couple of percentage points) by using pass through mode on your queries (set xa:oper="pass_through" on the xa:request element). This avoids one network request in the prepare/execute cycle used by the engine's default prepared statement mode.

We are currently looking at a broad range of performance improvement possibilities, ranging from specific SQL optimizations that match your use case (fairly simple queries, simple XML results), to broad-based improvements like code generation, providing an option to compile BizDocuments down to code. Some improvements will be part of the 6.0 release, others will have to be scheduled further out.

It would be good to hear from you the criticality of your performance metrics. If you can give us a specific target performance level that would lead you to choose XAware for your project, then this will help drive resource allocation decisions for which improvements we focus on.

Thanks,

-Kirstan
 
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Load stress testing & performance tuning
n_shien 2009/07/20 05:49
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kvandersluis 2009/07/20 18:33
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n_shien 2009/07/30 04:42
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prichards 2009/07/30 11:48
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n_shien 2009/08/05 08:37
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n_shien 2009/08/13 10:11
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kvandersluis 2009/08/13 13:01
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n_shien 2009/08/14 05:37
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kvandersluis 2009/08/14 12:12
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n_shien 2009/08/15 03:57
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kvandersluis 2009/08/18 18:31
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n_shien 2009/08/19 03:42
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n_shien 2009/08/28 14:54
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n_shien 2009/09/24 05:47
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