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Review the System Diagnostics homepage? The System Diagnostics page tracks some high-level statistics for each of the nodes (JVMs) in your instance. (See Figure 1.) <br> When you review this information, don’t worry if the total number of JVM Classes differs between nodes. This metric is showing the number of classes that have been loaded and subsequently unloaded on each JVM. Depending on the activities users performed on each node, you might notice a legitimate disparity in what has been called since that JVM was last started. <br> 1. Go to the System Diagnostics homepage. <br> 2. Review the values on this page. You’ll see values either in real-time at the point the page is rendered or as cumulative counts (such as the transactions and error values) since the node was last started (see the JVM UP time). <br> 3. Track this information in a spreadsheet or a table in your instance. Include the uptime, number of errors since the last restart, the number of transactions performed, and the number of logged-in users for each node. While the Now Platform® does have built-in performance graphs that show this information, they’re rendered on a per-node basis. If you spot an uncharacteristic jump in these numbers, it can be a good indicator there is an underlying performance issue you need to identify and address
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