Memory issues


Renowned Member
I have been trying to figure this one out by my self but I think I need some help with translation.
One of nested Proxmox servers that has 4 LXC servers running (each using ~1G RAM) claims that it is using 14G out of 16G.
What is the rest of the memory being used?

root@vh0:~# cat /proc/meminfo
MemTotal: 16421184 kB
MemFree: 1963056 kB
MemAvailable: 2682260 kB
Buffers: 16 kB
Cached: 1912052 kB
SwapCached: 0 kB
Active: 4872896 kB
Inactive: 1126140 kB
Active(anon): 4315972 kB
Inactive(anon): 768500 kB
Active(file): 556924 kB
Inactive(file): 357640 kB
Unevictable: 56564 kB
Mlocked: 56572 kB
SwapTotal: 11664376 kB
SwapFree: 11663852 kB
Dirty: 420 kB
Writeback: 0 kB
AnonPages: 4143748 kB
Mapped: 775248 kB
Shmem: 988012 kB
Slab: 1403940 kB
SReclaimable: 116956 kB
SUnreclaim: 1286984 kB
KernelStack: 11808 kB
PageTables: 52652 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 19874968 kB
Committed_AS: 11702332 kB
VmallocTotal: 34359738367 kB
VmallocUsed: 0 kB
VmallocChunk: 0 kB
HardwareCorrupted: 0 kB
AnonHugePages: 0 kB
ShmemHugePages: 0 kB
ShmemPmdMapped: 0 kB
CmaTotal: 0 kB
CmaFree: 0 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
DirectMap4k: 7880536 kB
DirectMap2M: 8892416 kB


The Proxmox community has been around for many years and offers help and support for Proxmox VE, Proxmox Backup Server, and Proxmox Mail Gateway.
We think our community is one of the best thanks to people like you!

Get your subscription!

The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as quick enterprise support. Tens of thousands of happy customers have a Proxmox subscription. Get yours easily in our online shop.

Buy now!