memory usage

  1. S

    ZFS ARC in memory usage graph.

    Hi there. Some time ago, I read that if someone wants better monitoring, then they need to set up specialized monitoring software and not rely on PVE graphs. Nevertheless, I do believe that ZFS users without monitoring software (like me) could benefit from showing ARC size in a memory usage...
  2. N

    Ram "Creep" over time

    Hey all, Relatively new installation of 3 node cluster, running CEPH for storage. over the course of about two weeks one of the nodes went from ~40GB of ram used to 265. Moved the VM's around so that we could reboot the node, and it went back to the "normal" usage (with the machines on) of...
  3. Z

    Inflated memory usage reported

    Hi everyone First off, I do appreciate that measuring memory usage on modern OSs is an inherently tricky topic and there's not really one definitive "correct" answer to "how much free memory I have", given all the intricacies involving virtual memory, filesystem caching, etc. That being said...
  4. D

    Web monitor Summary shows almost zero RAM usage for guests, while guest OS shows several GB

    I have several nodes running Ubuntu 18 or 20 as guest OS. They have 32 GB allocated memory, but show on the web monitor summary as using less than one of percent of allocated RAM. The Memory usage shows pale green 32 Gi, but reports RAM usage (dark green ) about 140 MiB. On the guest OS I...
  5. S

    Windows, "Optimize drives" RAM usage & best practices

    There's previous discussion here: https://forum.proxmox.com/threads/memory-spikes-win-2022-trying-to-defragment-a-1tb-disk.136542/ https://forum.proxmox.com/threads/windows-vm-requires-lots-of-ram-to-trim-larger-hard-disks.96288/ There's also this old Microsoft article, but it's for Server...
  6. B

    PVE uses 80% of memory

    Hi everyone, I have a server with 2 x 1TB storage - raid 1, 64GB of ram, AMD 5600G CPU. I created 1 VM where i use cPanel with 16 GB ram, and i can see that the PVE host jumped up to 80% (almost 50GB) RAM usage. What can cause this? I went through the forum posts and i see this can be just...
  7. T

    Memory Utilization

    Hello There, lately, I have configured a 2 node proxmox cluster (Raspberry Pi as q device) each node runs couple of lxc containers however the memory utilization on node 2 is drastically high. any idea how to get and fix that high memory utilization top command from node
  8. A

    [SOLVED] ZFS memory usage in NFS share

    Hi everyone, I am new to Proxmox and I have been searching around on how to solve this issue. I have learned that ZFS requires ECC memory, I have been using ZFS on Ubuntu server for a year now with standard DDR4. I ordered an Epyc 7402 and Supermicro H12SSL-i, I will buy ECC memory now that I...
  9. C

    [SOLVED] Memory usage in host summary keeps increasing but in guest OS stays normal

    Hello Everyone, A few days ago I installed proxmox on an old Lenovo laptop (i5, 3rd gen, 8 GB ram, 240 GB SSD) and installed Openmediavault 6 as a guest VM, gave it 2 cores and 4 GBs of ram, and set up a simple SMB share with an external HDD passed through to the OMV VM. Since I'm new to...

About

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!