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vSphere Design Best Practices by Christopher Kusek, Brian Bolander

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Considerations for Java virtual machines (JVMs)

When designing JVMs, some special considerations exist. Bear these in mind while planning and deploying your Java VMs.

When determining the number of vCPUs to allocate to a new JVM, test performance until you arrive at a number of vCPUs that provide the performance you need under varying loads. If you have access to a testbed, do the performance tests in that environment. If you don't have access to a lab environment or you can't test in your production environment, be prepared to adjust the number of vCPUs allocated to the JVM. You want to arrive at a vCPU allocation that doesn't inhibit the JVM under a variety of loads. If your Java code runs multiple garbage collector threads, ensure that your ...

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