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The Question is: We are determining if we need to upgrade above our Alpha 2100 platforms. We are looking at CPU utilization, Memory, and I/O. We need to know the suggested upgrade thresholds for these three catagories. For example, if your CPU utilization is above 80% you should upgrade. Is there any documentation stating these levels for CPU, Memory and I/O utilization? The Answer is : The OpenVMS Wizard is not aware of any specific "generic" recommended performance thresholds, as each installation can be quite different. Steady-state configurations may conceivably operate entirely as required at 100% system load. Systems with wildly varying loads may hypothetically not operate as required at a 10% average load. You will want to determine if the present performance available meets your requirements, and if any expected changes in overall system load will cause your system configuration to continue to meet your performance requirements. See the performance management documentation for further information. That you are asking the question would appear to indicate you likely now need or will soon need an upgrade.
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