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Linux free shows high memory usage but top does not

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旧时难觅i
旧时难觅i 2021-01-30 01:45

On RedHat Linux 6.2 I\'m running free -m and it shows nearly all 8GB used

             total       used       free     shared    buffer
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  • 旧巷少年郎
    旧巷少年郎 (楼主)
    2021-01-30 02:02

    Also, as the first line shows total used free shared buffers cached Mem: 7989 7734 254 0 28 7128 -/+ buffers/cache: 578 7411

    If we add (cached[7128] + buffers[28] + free[254]), we will get approximately the second line's free[7411] value 7128 + 28 + 254 = 7410

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