memory

  1. R

    pve-firewall restarting server to reduce memory usage

    Good day all, In the process of upgrading a pve 5 cluster to pve 6 (better late than never). After the corosync upgrade to 3 with all cluster nodes still on pve 5 and online with quorum there was a netwok issue on one of the nodes. All VMs became unreachable for a minute or two and then came...
  2. Z

    Lowering arc limit with ZFS when low on ram?

    I have a system using zfs it only has 64 GB of memory in the unit with 241TB of storage, I have 3 windows vm's using 8gb each arc hit ratio at 84% .Proxmox shows a total of 48.11 GiB of 62.57 GiB used (76.89%) my vm's become extremely sluggish during a resilver so much so that we can't log in...
  3. K

    Understanding Proxmox memory saving features

    Hi there, We've been migrating away from our ESXI cluster to Proxmox, and it has been great so far, but I am still wondering about the memory saving features such as KSM and ballooning. Are KSM and Ballooning both enabled at the same time once the 80% limit has been reached? Will KSM /...
  4. A

    Windows VM really Bad Memory Performance!

    Hello there lovely people. So, as the title says, Memory Performance is really bad. I tried to debug this since 3 or 4 Weeks now and I´m all out of Ideas. In a Linux VM i get around 24GB/s with 1M BS which is around the maximum my Board/System can handle. I used the Phoronix Test Suite as a...
  5. R

    Memory Usage not same as in VM

    Hello, My summary of virtual machine Memeory Usage is not correct by all linux servers. For my windows vm's i have installed the virtio drivers en the guest agent en they memory usage is perfect the same as in task manager. Only how do i set this in debian and centos servers? I have installed...
  6. S

    Memory Leak

    I have a hyperconverged setup with 3 nodes. All running Debian 10, same hardware. There appears to be a memory leak on all the nodes that I could use help tracking down. Here's some pertinent information Package Information: proxmox-ve: 6.3-1 (running kernel: 5.4.78-2-pve) pve-manager: 6.3-3...
  7. L

    [SOLVED] Parameter verification failed. (400) Memory

    Hello Proxmoxians, I'm trying to create a new VM on one of our nodes but I'm getting an error when clicking "Finish." Parameter verification failed. (400) memory: value must have a minimum value of 16 Searching the forums and the web didn't give me anything useful, so I've resorted to...
  8. D

    Cluster possibility?

    Hi, I am currently looking to use proxmox for my cluster but i have some consernes.. can i put all the cpu power, memory power on a single pool so for exemple i can use 4core on one node and 2core on an other node and for memory i use 4GB on 1 node and 1GB on an other node. is it something...
  9. A

    out_of_memory with no peaks in usage

    Hi, have a strange problem with one PVE (V. 6.1) host and its Debian 8 (old version for technical reasons) Guest. The guest crashes every now and then with no apparent reason, sometimes runs fine for weeks. The PVE logs say out_of_memory : Dec 10 18:09:39 pve kernel...
  10. M

    LXC RAM Verbrauch nicht nachvollziehbar

    Hallo liebe Proxmox Community! Ich beobachte seit Längerem ein Problem mit LXCs bei Proxmox. Nach ein paar Tagen unterscheidet sich der Speicherverbrauch laut ps_mem (welches den Speicherverbrauch der einzelnen Prozesse in der VM addiert) und der zur Verfügung stehende Speicher laut free...
  11. J

    Help with zfs memory management

    I installed my proxmox server on a two 250 gb ssd with raid1. My vms are stored on another zfs storage pool. The box has 64 gb memory. My memory usage is constantly past 90% despite having a few containers and vms setup with about 30 gb usage between all of them. I am having to do this daily...
  12. L

    Memory use of containers and tmpfs

    We are trying to debug some memory issues with a container and best practices to monitor Within the PVE interface I see Memory usage 11.59% (949.30 MiB of 8.00 GiB inside the container: cat /proc/meminfo MemTotal: 8388608 kB MemFree: 2967096 kB MemAvailable: 7401044 kB...
  13. I

    Proxmox mailgateway on LXC memory usage

    The OOM killer kills the CLAM daemon on the proxmox mail gateway. root@antispam1:~# dmesg -T | egrep -i 'killed process' [Mon Jun 15 11:02:06 2020] Memory cgroup out of memory: Killed process 195913 (clamd) total-vm:1939452kB, anon-rss:1387168kB, file-rss:0kB, shmem-rss:0kB, UID:100108...
  14. C

    High memory usage with ZFS

    Hello, I'm having a issues regarding the ram usage on our hypervisors. It seems there is ram going I don't know where. The hypervisor has 70GB of usable total ram. The current arc usage is 9GB according to arc_summary. I've calculated the amount of ram used by each LXC containers on the host...
  15. Y

    How to increase "max locked memory" (ulimit -l) on a LXC container ?

    Hello, How to increase "max locked memory" (ulimit -l) on a LXC container ? Thanks!
  16. P

    Guest OS does not see all memory

    Hey. I noticed a strange one. Added 8 GB of RAM to the virtual machine. And inside she sees only 7.8 GB. What could be the problem? Virtual Machine is Ubuntu 16.04 Machine configuration agent: 1 boot: c bootdisk: scsi0 cores: 4 cpu: host hotplug: disk,network,usb machine: q35 memory: 8192 name...
  17. J

    Wrong Memory Stats on VM from Proxmox 6

    Hi; I saw few post on this in the past but no answer make really sense. Here Proxmox tell me my OpenMediaVault use more than 90% of the allocated memory (independently how much I give to this VM) but in reality OMV only use 5%. There is a way to fix that ?
  18. grin

    corosync 3.0.2-pve4 memory leak

    I have a (possibly unrelated) problem where one cluster member's TOTEM keep generateing retransmits from other nodes or local timeouts. When I checked nodeC kept joining and leaving the cluster, about 50 per seconds. Restarting corosync resulted the same. It turned out however that on other...
  19. T

    RAM Usage

    http://prntscr.com/qnl1zu Why memory usage looks more than real usage?
  20. K

    Force Stop Causes Systemd Timeout

    Hi, I've been having an issue on one of my proxmox servers lately, but I've been unable to recreate this on my other server: I run a set of Ubuntu 18.04 LTS Server VMs. When I launch VNC to access the VM shell after some time running, I encounter a spam of this error: INFO: task...