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Especially if it turns yellow, let alone red.

looking at Apple's 'memory pressure' graph.

sorting by Memory, decreasing, just in case something uses more than you'd expect.

There are also 'Purgeable Memory' ('purgeable', in Apple terms, means: in case of emergency, the OS can quickly throw this away in order to make room for example, this may contain caches and temp data) and 'Compressed Memory', which for me is always 0. Working set / private working set / shareable working set: macOS Activity monitor calls these, very similarly, 'Real Memory Size' (I assume that's the same), 'Private Memory Size', 'Shared Memory Size'.Ĭonfusingly, it by defaults offers a column 'Memory' that is none of those four. MacOS Activity Monitor calls this 'Virtual Memory Size'. To see the other numbers you need to go to the details table and enable those columns, or use Resource Monitor.Ĭommit size: How much virtual memory the process has requested. IIRC, by default Task Manager shows you the private working set. That's probably the majority of the 60 MB, and I imagine the runtime's DLL's would fall into the shareable working set. Net app, that includes all the code for the. That doesn't necessarily mean that it is shared, just that it can be.īear in mind also that from the operating system's POV, the memory usage of an app includes the app's code (code must be loaded in memory before it can run.). The amount of the working set that can be shared with other processes.

Private working set: The amount of the working set that is unique to this process and can't be shared with any other process.Working set: The total amount of RAM that the process is using right now.Because of the nature of how virtual memory works this can potentially be a huge number, even much larger than the amount of RAM on the machine. Commit size: How much virtual memory the process has requested.In Windows there are at least four different numbers associated with the question 'how much memory is the app using' (I'm sure Mac and Linux are very similar, but I don't remember the details there or the terminology).

Memory usage is a relatively complex topic.

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