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sumitha · Posted: Mon Aug 11, 2008 4:23 am Post subject:

I have observed that whenever a message is being processed in the JavaCompute Node the memory usage by DataFlowEngine of the execution group is increasing and even after completion of the processing the memory is not getting released.
Also we noticed that the variation in the memory usage is not a fixed change. It is fluctuating with the time.

WMB version: 6.0.0.3

Platform: AIX

Please can anyone suggest a resolution to this ?

Please see the code below :

package www.test.com;

import com.ibm.broker.javacompute.MbJavaComputeNode;
import com.ibm.broker.plugin.*;

public class TEST_SIMPLE_JavaCompute extends MbJavaComputeNode {

public void evaluate(MbMessageAssembly contact admin) throws MbException {
MbOutputTerminal out = getOutputTerminal("out");
MbOutputTerminal alt = getOutputTerminal("alternate");

MbMessage inMessage = contact admin.getMessage();

// create new message
MbMessage outMessage = new MbMessage(inMessage);
MbMessageAssembly outAssembly = new MbMessageAssembly(contact admin,outMessage);

String temp = "THIS IS A SAMPLE STRING";

try {
//<hr />
// Add user code below

// End of user code
//<hr />

// The following should only be changed
// if not propagating message to the 'out' terminal
out.propagate(outAssembly);

} finally {
// clear the outMessage
outMessage.clearMessage();

}
}
}