First Call To DB Adapter Takes About 20 Seconds
Last updated on NOVEMBER 03, 2016
Applies to:Oracle Service Bus - Version 188.8.131.52.0 and later
Information in this document applies to any platform.
In OSB a simple business process is used that calls a database procedure defined in a package inside an Oracle DB.
When running the OSB server with JRockit 1.6, depending on the number of characters in name of the database package, a difference in elapsed time can be seen for the first call of the procedure after a server start.
With the package name TESTPKG (odd number of characters), the first call of the procedure after the server start returns in around 3 seconds, while subsequent return almost immediately. This behavior is expected, since class loading needs to be performed with the first call. But when the package name is TEST_PKG (even number of characters), the elapsed time for the first call is around 5 to 6 times higher (around 16 seconds).
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