> > It sounds like you're advocating for the "slow guest boot" option. > > Kirill, can you remind us how fast a guest boots to the shell for > > modestly-sized (say 256GB) memory with "accept_memory=eager" versus > > "accept_memory=lazy"? IIRC, it was a pretty remarkable difference. > > I only have 128GB machine readily available and posted some number on > other thread[1]: > > On single vCPU it takes about a minute to accept 90GiB of memory. > > It improves a bit with number of vCPUs. It is 40 seconds with 4 vCPU, but > it doesn't scale past that in my setup. > We have seen similar boot performance improvements on our larger shapes of VMs. Both lazy accept and kexec with TDX are important features for us.
-- Jianxiong Gao
