ORMI Over HTTP Tunnelling: Performance Considerations
(Doc ID 979844.1)
Last updated on MARCH 02, 2019
Applies to:Oracle Containers for J2EE - Version 10.1.3.0.0 to 22.214.171.124.0 [Release AS10gR3 to Oracle11g]
Information in this document applies to any platform.
You are executing a servlet/JSP RMI application within OC4J 10.1.3.0.0 or higher, under load conditions. The application will invoke an ORMI call at a remote OC4J using ORMI over HTTP tunneling.
You notice extremely slow response times, for example in one support test case, with 100 users, a response time of 100 seconds or more is observed. A thread dump is taken and it shows only one AJPRequestHandler-RMICallHandler is in a runnable state while all others are in blocked state.
Monitor:Waiting for Monitor Lock on
at com/evermind/server/rmi/RMIClientConnection.invokeMethod(RMIClientConnection.java:474(Compiled Code))
What is the reason for the threads being blocked in a wait state ?
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