root@pve2:~# ps -o pid,user,%mem,command ax | sort -b -k3 -r | head -10
  PID USER     %MEM COMMAND
30735 root      2.1 /usr/bin/kvm -id 505 -name dns-master -chardev socket,id=qmp,path=/var/run/qemu-server/505.qmp,server,nowait -mon chardev=qmp,mode=control -chardev socket,id=qmp-event,path=/var/run/qmeventd.sock,reconnect=5 -mon chardev=qmp-event,mode=control -pidfile /var/run/qemu-server/505.pid -daemonize -smbios type=1,uuid=f96da15c-c58a-4089-a0ff-63d53b476a6f -smp 1,sockets=1,cores=1,maxcpus=1 -nodefaults -boot menu=on,strict=on,reboot-timeout=1000,splash=/usr/share/qemu-server/bootsplash.jpg -vnc unix:/var/run/qemu-server/505.vnc,password -cpu host,+kvm_pv_unhalt,+kvm_pv_eoi -m 1024 -object memory-backend-ram,id=ram-node0,size=1024M -numa node,nodeid=0,cpus=0,memdev=ram-node0 -device pci-bridge,id=pci.1,chassis_nr=1,bus=pci.0,addr=0x1e -device pci-bridge,id=pci.2,chassis_nr=2,bus=pci.0,addr=0x1f -device piix3-usb-uhci,id=uhci,bus=pci.0,addr=0x1.0x2 -device usb-tablet,id=tablet,bus=uhci.0,port=1 -device VGA,id=vga,bus=pci.0,addr=0x2 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3 -iscsi initiator-name=iqn.1993-08.org.debian:01:934b8cb0d44f -drive file=/dev/zvol/rpool/data/vm-505-disk-0,if=none,id=drive-virtio0,format=raw,cache=none,aio=native,detect-zeroes=on -device virtio-blk-pci,drive=drive-virtio0,id=virtio0,bus=pci.0,addr=0xa,bootindex=100 -netdev type=tap,id=net0,ifname=tap505i0,script=/var/lib/qemu-server/pve-bridge,downscript=/var/lib/qemu-server/pve-bridgedown,vhost=on -device virtio-net-pci,mac=7A:4A:46:B6:68:75,netdev=net0,bus=pci.0,addr=0x12,id=net0 -machine type=pc
32075 www-data  0.2 pveproxy worker
31178 www-data  0.2 pveproxy worker
19513 www-data  0.2 pveproxy worker
 3781 www-data  0.2 pveproxy
 6761 root      0.2 pvedaemon worker
23144 root      0.2 pvedaemon worker
 1257 root      0.2 pvedaemon worker
 3768 root      0.2 pvedaemon