Understand memory usage

[greg]

Greetings

I'm puzzled by this: Proxmox reports that my CT has a memory usage of 0.08% (1.57 MiB of 1.95 GiB), however the guest system sees things differently:

              total        used        free      shared  buff/cache   available
Mem:           1000         664           4         322         330         335

htop says memory full at 99%.

What am I missing?

Thanks in advance

Regards

 

[LnxBil]

Could you please also post the screenshot of the PVE itself and the used version (pveversion -v)?

What guest operating system is used there? The numbers on my containers are also not identical, but similar.

 

[greg]

Host:

CPU(s) 12 x Intel(R) Xeon(R) CPU E5-1650 v2 @ 3.50GHz (1 Socket)

Kernel Version Linux 4.15.18-12-pve #1 SMP PVE 4.15.18-35 (Wed, 13 Mar 2019 08:24:42 +0100)

PVE Manager Version pve-manager/5.4-15/d0ec33c6


Guest



Debian GNU/Linux 9 (stretch)

# free -m
              total        used        free      shared  buff/cache   available
Mem:           2000         994          71         896         933        1005
Swap:          5000         323        4676

Note: I changed RAM from 2G to 4G, and the container sees 2000 instead of 1000

htop sees 2G of RAM full at 99%

 

[LnxBil]

htop sees 2G of RAM full at 99%

and what space usage sees htop?