# Booting # # When deploying to large numbers of hosts, you might prefer not to restart your services on every host at the same time. # # Kamal’s default is to boot new containers on all hosts in parallel. However, you can control this with the boot configuration. # Fixed group sizes # # Here, we boot 2 hosts at a time with a 10-second gap between each group: boot: limit: 2 wait: 10 # Percentage of hosts # # Here, we boot 25% of the hosts at a time with a 2-second gap between each group: boot: limit: 25% wait: 2