the community subscription is probably too expensive for him and its per socket.
maybe he has a homelab with 10 or more sockets which amounts to quite the cost for a homelab if you get a subscription for everything.
personally i have 1 community...
The main Debian repository is missing: you only have trixie-updates and trixie-security but not trixie. That would explain why packages cannot be found. See also the manual...
The results seem quite low indeed. Qemu itself is able to reach 200~300k iops with 1 core. (I'm working to add support for mutiple iothread to increase the performance up to 600kiops by disk, but you are far from reaching the current cpu limit)...
try with Lvmthin as ZFS has overhead, can't be compared to baremetal even more in benchmark.
Numbers should be closer if you run multi VM at same time, that's the point of virtualization.
For single VM ...
merci pour le retour.
ce n'est pas une question de bios.
1 To sera toujours égal à 931 Gio.
Les constructeurs ont toujours compté l'espace de stockage en base décimale, 1000 octets = 1 Ko
Alors que les données sont décomptées en base binaire où...
2 x VM can do 4G download concurrently ?
have you tried switching vNIC model ? VirtIO NIC vs Intel E1000 ?
have you tried iperf -P parallel streams ?
BTW, iperf2 is cpu multithreads where iperf3 is cpu multithreads only since version 3.16.
( so...