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Computer Communication Competence
System resources are shared and a number of processes run simultaneously on the FortiGate unit. If one of these processes consumes nearly all the resources. They have both a visual gauge displayed to show you the usage. The first line of output shows the CPU usage by category. A FortiGate that is doing nothing will look like:.
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Have you recently upgraded FortiGate and noticed after a week that Memory Utilization is much higher than before? You might be facing a memory leak. You have noticed that RAM usage is much higher than expected. How to drill down which process is eating all memory? Remember, that FortiGate is a Unix box in general. Some troubleshooting commands are ported to FortiOS. I'll use htop:. I prefer top-summary compared to top , because it summarize all instances of a single process, which gives you a nice overview how much RAM each feature is using. Check if there is new software available. Usually, memory leak issues are quickly traced down and fixed with the next minor upgrade.
To debug CPU problems, the ideal tool. D and Z are not killable. D can happen rarely and shortly. Z must not appear.