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Cake day: June 18th, 2023

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  • Compared to Windows NT, Linux is famous for using spare pages for cache, and reporting relatively high RAM usage, which is not directly related to the working sets used by processes. It also (I think NT also does this) pre-zeroes unused pages during idle CPU time, so they can be allocated to processes faster on demand.

    There’s probably no problem. And as the other commenter mentions, if you dig down into the reporting, you can figure out how much is actually going to processes.