创建单机 PolarDB-X 集群

pxd 只能用于测试

https://doc.polardbx.com/quickstart/topics/quickstart-pxd-cluster.html

#安装 docker
curl -fsSL https://get.docker.com -o get-docker.sh
sh get-docker.sh

#docker 镜像加速
sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<-'EOF'
{
  "registry-mirrors": [
    "https://hub-mirror.c.163.com",
    "https://mirror.baidubce.com",
    "https://ccr.ccs.tencentyun.com"
  ]
}
EOF

sudo systemctl restart docker

#配置普通用户访问 docker
sudo groupadd docker
sudo gpasswd -a ${USER} docker
newgrp docker

#安装 pxd
sudo apt install python3-pip
pip install -i https://mirrors.aliyun.com/pypi/simple/ pxd

新终端
pxd version

#安装集群
pxd create -file polardbx.yaml

polardbx.yaml 1cn 3dn 1cdc 1gms

version: v1
type: polardbx
cluster:
  name: pxc_test
  gms:
    image: polardbx/polardbx-engine-2.0:latest
    host_group: [127.0.0.1]
  cn:
    image: polardbx/polardbx-sql:latest
    replica: 1
    nodes:
      - host: 127.0.0.1
    resources:
      mem_limit: 2G
  dn:
    image: polardbx/polardbx-engine-2.0:latest
    replica: 3
    nodes:
      - host_group: [127.0.0.1]
      - host_group: [127.0.0.1]
      - host_group: [127.0.0.1]
    resources:
      mem_limit: 2G
  cdc:
    image: polardbx/polardbx-cdc:latest
    replica: 1
    nodes:
      - host: 127.0.0.1
    resources:
      mem_limit: 2G