搭建RPC节点

更新于2024/12/15

Solana节点昂贵，对机器性能要求非常高，请自行考虑风险！

根据官方要求，Solana RPC节点若要开启account-index参数的话，至少需要512GB内存。

挂载磁盘

官方推荐机器至少3个NVMe盘，一个系统盘，一个存账户数据，一个存账本数据。

除系统盘外，每个硬盘推荐使用2T的存储空间。以下为创建项目目录和挂载磁盘的命令：

mkdir /root/sol
mkdir /root/sol/accounts
mkdir /root/sol/ledger
mkdir /root/sol/bin

# n + e
fdisk /dev/nvme0n1
fdisk /dev/nvme1n1

mkfs -t ext4 /dev/nvme0n1
mkfs -t ext4 /dev/nvme1n1

mount /dev/nvme0n1 /root/sol/ledger
mount /dev/nvme1n1 /root/sol/accounts

vim /etc/fstab
/dev/nvme0n1 /root/sol/ledger ext4 defaults 0 0
/dev/nvme1n1 /root/sol/accounts ext4 defaults 0 0

将cpu设置为performance模式

Solana节点对cpu主频要求较高，推荐使用高频cpu并将性能设置为performance模式。

apt install linux-tools-common linux-tools-$(uname -r)

cpupower frequency-info

cpupower frequency-set --governor performance

watch "grep 'cpu MHz' /proc/cpuinfo"

下载solana-cli

sh -c "$(curl -sSfL https://release.anza.xyz/v2.0.18/install)"

vim /root/.bashrc
export PATH="/root/.local/share/solana/install/active_release/bin:$PATH"
source /root/.bashrc

solana --version

创建验证者私钥

solana-keygen new -o validator-keypair.json

系统调优

1. 修改/etc/sysctl.conf

vim /etc/sysctl.conf

添加如下

# 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

sysctl -p

1. 修改/etc/systemd/system.conf

vim /etc/systemd/system.conf

添加如下

DefaultLimitNOFILE=1000000

systemctl daemon-reload

1. 修改/etc/security/limits.conf

vim /etc/security/limits.conf

添加如下

# Increase process file descriptor count limit
* - nofile 1000000

ulimit -n 1000000 # 手动设置一下，不然需要重启机器
ulimit -n

开启防火墙

sudo ufw allow 22
sudo ufw allow 8000:8020/tcp
sudo ufw allow 8000:8020/udp
sudo ufw allow 8899 # http 端口
sudo ufw allow 8900 # websocket 端口

sudo ufw enable
sudo ufw status

创建启动脚本和服务

vim /root/sol/bin/validator.sh

#!/bin/bash

exec agave-validator \
	--ledger /root/sol/ledger \
	--accounts /root/sol/accounts \
	--identity /root/validator-keypair.json \
	--known-validator 7Np41oeYqPefeNQEHSv1UDhYrehxin3NStELsSKCT4K2 \
	--known-validator GdnSyH3YtwcxFvQrVVJMm1JhTS4QVX7MFsX56uJLUfiZ \
	--known-validator DE1bawNcRJB9rVm3buyMVfr8mBEoyyu73NBovf2oXJsJ \
	--known-validator CakcnaRDHka2gXyfbEd2d3xsvkJkqsLw2akB3zsN1D2S \
	--entrypoint entrypoint.mainnet-beta.solana.com:8001 \
	--entrypoint entrypoint2.mainnet-beta.solana.com:8001 \
	--entrypoint entrypoint3.mainnet-beta.solana.com:8001 \
	--entrypoint entrypoint4.mainnet-beta.solana.com:8001 \
	--entrypoint entrypoint5.mainnet-beta.solana.com:8001 \
	--expected-genesis-hash 5eykt4UsFv8P8NJdTREpY1vzqKqZKvdpKuc147dw2N9d \
	--full-rpc-api \
	--no-voting \
	--private-rpc \
	--rpc-port 8899 \
	--dynamic-port-range 8000-8020 \
	--wal-recovery-mode skip_any_corrupted_record \
	--limit-ledger-size \
	--account-index program-id \
	--account-index spl-token-mint \
	--account-index spl-token-owner \
	--enable-rpc-transaction-history \
	--log /root/solana-rpc.log

chmod +x /root/sol/bin/validator.sh

vim /etc/systemd/system/sol.service

添加如下

[Unit]
Description=Solana Validator
After=network.target
StartLimitIntervalSec=0

[Service]
Type=simple
Restart=always
RestartSec=1
User=root
LimitNOFILE=1000000
LogRateLimitIntervalSec=0
Environment="PATH=/bin:/usr/bin:/root/.local/share/solana/install/active_release/bin"
ExecStart=/root/sol/bin/validator.sh

[Install]
WantedBy=multi-user.target

至此，可启动Solana RPC节点。

一些系统服务相关命令如下

systemctl start sol
systemctl status sol
systemctl stop sol
systemctl restart sol
systemctl daemon-reload

查看日志

tail -f /root/solana-rpc.log
journalctl -u sol -f --no-hostname -o cat

查看同步进度

solana catchup --our-localhost

参考

1. https://solana.com/docs/rpc

2. https://docs.solanalabs.com/operations/setup-an-rpc-node