系统初始化配置
https://docs.solanalabs.com/operations/guides/validator-start#system-tuning
sudo bash -c "cat >/etc/sysctl.d/21-agave-validator.conf <<EOF
# Increase UDP buffer sizes
net.core.rmem_default = 134217728
net.core.rmem_max = 134217728
net.core.wmem_default = 134217728
net.core.wmem_max = 134217728
# Increase memory mapped files limit
vm.max_map_count = 1000000
# Increase number of allowed open file descriptors
fs.nr_open = 1000000
EOF"
sudo sysctl -p /etc/sysctl.d/21-agave-validator.conf
sudo bash -c "cat >/etc/security/limits.d/90-solana-nofiles.conf <<EOF
# Increase process file descriptor count limit
* - nofile 1000000
EOF"