I have a three node cluster running PVE 8.4, and things have been working well.
But two days ago, I noticed in dmesg that the OOM killer stopped one of my VMs:
Sep 02 08:57:28 proxmox-2 kernel: pvedaemon worke invoked oom-killer: gfp_mask=0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), order=0...