Java UDRs and Java applications execute on specialized virtual processors, called Java virtual processors (JVPs). A JVP embeds a Java virtual machine (JVM) in its code. A JVP has the same capabilities as a CPU VP in that it can process complete SQL queries.
You can specify as many JVPs as your operating system will allow. If you run many Java UDRs or parallel PDQ queries with Java UDRs, you should configure more JVPs. For more information about UDRs written in Java, refer to J/Foundation Developer's Guide.
Use the VPCLASS configuration parameter with the jvp keyword to configure JVPs. For more information, see the configuration parameters chapter in the IBM Informix Dynamic Server Administrator's Reference.
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