Possibly related:

screen shot of memory usage by app, showing Firefox using over 18GB of RAM

I also don’t understand why every chat app needs 1GB of RAM to itself.

    • Dave@lemmy.nzOP
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      21 hours ago

      This site says Linux calls cached RAM “free” but in my screen shot it’s definitely being shown as “used”. I guess this is a choice of this app?

        • Dave@lemmy.nzOP
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          11 hours ago

          Well top currently shows:

          MiB Mem :  64076.1 total,   2630.3 free,  51614.1 used,  34046.9 buff/cache     
          MiB Swap:   4096.0 total,      2.3 free,   4093.7 used.  12462.0 avail Mem 
          

          While the “Mission Center” app shows:

          67GB RAM total, 54GB RAM in use. 12GB available. 29GB cached.

          • mexicancartel@lemmy.dbzer0.com
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            5 hours ago

            Subtract cached and free from total to get actual usage Htop shows visually though with cached as yellow or so I think you are using about 30 gb ram.

            Honestly, apart from firefox, what are you running? Does that include vms? I have 8GiB ram(7.1 usable) and uses like 1.8gb on idle and about 5-6.5gb on my personal highest usage