Getting Actual RAM Use on KVM Node

Discussion in 'Hosting Talk & Reviews' started by Voraxin, Dec 4, 2018.

  1. Voraxin

    Voraxin New Member

    Dec 4, 2018

    I decided to consolidate all my VPS as I had then scattered throughout a bunch of different providers. I grabbed a dedicated server and setup with Virtualizor and KVM.

    There are currently 37 VPS running on it, majority of them with 512MB Ram and 1024MB swap. Virtualizor reports 98% ram and 65% SWAP used, which alarmed me so I did some checking.

    free -m reports

    [[email protected] ~]# free -m
                  total        used        free      shared  buff/cache   available
    Mem:          31698       30314         539         114         844         755
    Swap:         11996        7283        4713
    But if I open up top and take a snap of all the VMs running and add up what they are using for RAM it comes up at around 60% (see screen).

    I still have more VPS that I need to transfer onto this server so I am hoping what I am seeing is the OS itself is reporting the allocated ram for all VPS and not amount actually being used. If so is there a better way to get a reliable snapshot of actual ram being used? I don't want to overload this server and have issues with it.


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