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Performance degradation on Xeon machine with Workgroup database license

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Information

 
TitlePerformance degradation on Xeon machine with Workgroup database license
URL NameP98703
Article Number000141601
EnvironmentProgress 8.X
Progress 9.X
OpenEdge 10.0X
Linux Intel
Windows NT 32 Intel/Windows 2000
Question/Problem Description
Performance degradation on Xeon machine with Workgroup database license
More CPU's are involved, worse performance goes
Performance is much better with only 1 CPU active
Application uses correct indexes
Using Enterprise database with -spin enabled is not the option
strace shows client spends 50% of its time in semop() function
Machine's CPU's are not utilized at all (CPU usage is zero)
Performance is better with Hyperthreading disabled, but still not same when only 1 CPU is active
Steps to Reproduce
Clarifying Information
Error Message
Defect NumberOE00111981
Enhancement Number
Cause
Resolution
Upgrade to 10.1B02 or higher. 

If that is not possible at this time try the following work around:


Temporary fix: Boot the machine using no SMP kernel (when your OS is Linux) or boot with /ONECPU option (when your OS is Windows).
Workaround
Notes
Keyword Phrase
Last Modified Date9/13/2015 3:35 PM

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