After running my load test, I looked at the results and noticed that my load generator is using a high amount of memory, which might be causing a bottleneck. Can I increase the amount of memory my load generator uses during a test?
Neoload is a Java program that uses a Virtual machine to run. The amount of memory used by that Virtual machine is configured at startup on a configuration file.
If the load generator frequently uses more than 90% of the available memory during a test, it can lead to errors such as NL-RUNTIME-XX in the test results. The details of these errors are shown as "java.lang.OutOfMemoryError: Java heap space".
Here is the procedure to increase the amount of memory allocated to a Load Generator For each load generator:
1. Stop the Agent
2. Edit the /conf/agent.properties file:
3. Edit the [LoadGenerator] lg.launcher.vm.parameters key to set the new limit in Mb.
4. Start the Agent
For example:
[LoadGenerator] lg.launcher.vm.parameters=-Xmx768m sets the limit at 768Mb.
This limit must not exceed the maximum physical memory available in order to avoid the use of swap files.
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