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Oracle MSCA - Creme JVM Performance



Creme JVM is one of the recommended and certified JVM's for use for Oracle MSCA(Mobile Supply Chain Applications).


The recommended commandline for launching the JVM is as follows:


 "\Windows\creme\bin\creme.exe" –Of -tiny -ntb -classpath \mwagui\lib\j8284179_3p.zip;\mwagui\lib\j8284179_fnd.zip;
\mwagui\lib\j8284179_mwa.zip;
\mwagui\lib\j9969932_3p.zip;\mwagui\lib\j9969932_mwa.zip  oracle.apps.mwa.awt.client.StartGUI


Even though this is published on the Oracle site there is a parameter that can cause serious performance degradation.


The -Of  option Sets the console output to be redirected to a jscpout.txt file located in the root directory.



This is equivalent to logging and substantially increases the response times. Once we got rid of this option the MSCA / MWA response times were halved straight away.

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