TiDB DM 部署

简介

TiDB Data Migration (DM) 是一款便捷的数据迁移工具，支持从与 MySQL 协议兼容的数据库（MySQL、MariaDB、Aurora MySQL）到 TiDB 的全量数据迁移和增量数据同步。使用 DM 工具有利于简化数据迁移过程，降低数据迁移运维成本。

使用 TiUP 部署 DM 集群

前提

  • 已安装TiUP
  • 已安装TiDB
  • 当前版本v7.5.3

安装 TiUP DM 组件
tiup install dm dmctl

编辑初始化配置文件

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global:
  user: "tidb"
  ssh_port: 22
  deploy_dir: "/home/tidb/dm/deploy"
  data_dir: "/home/tidb/dm/data"

master_servers:
  - host: 10.88.88.70

worker_servers:
  - host: 10.88.88.70

monitoring_servers:
  - host: 10.88.88.70

grafana_servers:
  - host: 10.88.88.70

alertmanager_servers:
  - host: 10.88.88.70

执行部署命令
tiup dm deploy dm-cluster v7.5.3 ./topology.yaml --user root -p

查看集群列表
tiup dm list

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[root@hf2 tidb-topo]# tiup dm list
Starting component dm: /root/.tiup/components/dm/v1.16.0/tiup-dm list
Name        User  Version  Path                                        PrivateKey
----        ----  -------  ----                                        ----------
dm-cluster  tidb  v7.5.3   /root/.tiup/storage/dm/clusters/dm-cluster  /root/.tiup/storage/dm/clusters/dm-cluster/ssh/id_rsa

启动集群
tiup dm start dm-cluster

检查集群状态
tiup dm display dm-cluster

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[root@hf2 tidb-topo]# tiup dm display dm-cluster
Starting component dm: /root/.tiup/components/dm/v1.16.0/tiup-dm display dm-cluster
Cluster type:       dm
Cluster name:       dm-cluster
Cluster version:    v7.5.3
Deploy user:        tidb
SSH type:           builtin
Grafana URL:        http://10.88.88.70:3000
ID                Role          Host         Ports      OS/Arch       Status     Data Dir                              Deploy Dir
--                ----          ----         -----      -------       ------     --------                              ----------
10.88.88.70:9093  alertmanager  10.88.88.70  9093/9094  linux/x86_64  Up         /home/tidb/dm/data/alertmanager-9093  /home/tidb/dm/deploy/alertmanager-9093
10.88.88.70:8261  dm-master     10.88.88.70  8261/8291  linux/x86_64  Healthy|L  /home/tidb/dm/data/dm-master-8261     /home/tidb/dm/deploy/dm-master-8261
10.88.88.70:8262  dm-worker     10.88.88.70  8262       linux/x86_64  Free       /home/tidb/dm/data/dm-worker-8262     /home/tidb/dm/deploy/dm-worker-8262
10.88.88.70:3000  grafana       10.88.88.70  3000       linux/x86_64  Up         -                                     /home/tidb/dm/deploy/grafana-3000
10.88.88.70:9090  prometheus    10.88.88.70  9090       linux/x86_64  Up         /home/tidb/dm/data/prometheus-9090    /home/tidb/dm/deploy/prometheus-9090
Total nodes: 5

监控
http://10.88.88.70:3000/