使用 TiUP 扩缩容 TiDB 集群
扩容 tiflash 节点
添加节点信息到 scale-out.yml 文件
tiflash_servers:
- host: 192.168.174.147运行扩容命令
tiup cluster scale-out tidb-test scale-out.yml+ Detect CPU Arch Name
- Detecting node 192.168.174.147 Arch info ... Done
+ Detect CPU OS Name
- Detecting node 192.168.174.147 OS info ... Done
Please confirm your topology:
Cluster type: tidb
Cluster name: tidb-test
Cluster version: v8.5.1
Role Host Ports OS/Arch Directories
---- ---- ----- ------- -----------
tiflash 192.168.174.147 9000/3930/20170/20292/8234/8123 linux/x86_64 /tidb-deploy/tiflash-9000,/tidb-data/tiflash-9000
Attention:
1. If the topology is not what you expected, check your yaml file.
2. Please confirm there is no port/directory conflicts in same host.
Do you want to continue? [y/N]: (default=N) y
+ [ Serial ] - SSHKeySet: privateKey=/root/.tiup/storage/cluster/clusters/tidb-test/ssh/id_rsa, publicKey=/root/.tiup/storage/cluster/clusters/tidb-test/ssh/id_rsa.pub
+ [Parallel] - UserSSH: user=tidb, host=192.168.174.146
+ [Parallel] - UserSSH: user=tidb, host=192.168.174.146
+ [Parallel] - UserSSH: user=tidb, host=192.168.174.147
+ [Parallel] - UserSSH: user=tidb, host=192.168.174.145
+ [Parallel] - UserSSH: user=tidb, host=192.168.174.147
+ [Parallel] - UserSSH: user=tidb, host=192.168.174.147
+ [Parallel] - UserSSH: user=tidb, host=192.168.174.146
+ [Parallel] - UserSSH: user=tidb, host=192.168.174.145
+ [Parallel] - UserSSH: user=tidb, host=192.168.174.145
+ [Parallel] - UserSSH: user=tidb, host=192.168.174.147
+ [Parallel] - UserSSH: user=tidb, host=192.168.174.145
+ [Parallel] - UserSSH: user=tidb, host=192.168.174.146
+ [Parallel] - UserSSH: user=tidb, host=192.168.174.145
+ [Parallel] - UserSSH: user=tidb, host=192.168.174.145
+ [Parallel] - UserSSH: user=tidb, host=192.168.174.145
+ [Parallel] - UserSSH: user=tidb, host=192.168.174.145
+ [Parallel] - UserSSH: user=tidb, host=192.168.174.146
+ Download TiDB components
- Download tiflash:v8.5.1 (linux/amd64) ... Done
+ Initialize target host environments
+ Deploy TiDB instance
- Deploy instance tiflash -> 192.168.174.147:9000 ... Done
+ Copy certificate to remote host
+ Generate scale-out config
- Generate scale-out config tiflash -> 192.168.174.147:9000 ... Done
+ Init monitor config
Enabling component tiflash
Enabling instance 192.168.174.147:9000
Enable instance 192.168.174.147:9000 success
Enabling component node_exporter
Enabling instance 192.168.174.147
Enable 192.168.174.147 success
Enabling component blackbox_exporter
Enabling instance 192.168.174.147
Enable 192.168.174.147 success
+ [ Serial ] - Save meta
+ [ Serial ] - Start new instances
Starting component tiflash
Starting instance 192.168.174.147:9000
Start instance 192.168.174.147:9000 success
Starting component node_exporter
Starting instance 192.168.174.147
Start 192.168.174.147 success
Starting component blackbox_exporter
Starting instance 192.168.174.147
Start 192.168.174.147 success
+ Refresh components conifgs
- Generate config pd -> 192.168.174.145:2379 ... Done
- Generate config pd -> 192.168.174.146:2379 ... Done
- Generate config pd -> 192.168.174.147:2379 ... Done
- Generate config tikv -> 192.168.174.145:20160 ... Done
- Generate config tikv -> 192.168.174.146:20160 ... Done
- Generate config tikv -> 192.168.174.147:20160 ... Done
- Generate config tidb -> 192.168.174.145:4000 ... Done
- Generate config tidb -> 192.168.174.146:4000 ... Done
- Generate config tidb -> 192.168.174.147:4000 ... Done
- Generate config tiflash -> 192.168.174.145:9000 ... Done
- Generate config tiflash -> 192.168.174.146:9000 ... Done
- Generate config tiflash -> 192.168.174.147:9000 ... Done
- Generate config cdc -> 192.168.174.145:8300 ... Done
- Generate config cdc -> 192.168.174.146:8300 ... Done
- Generate config cdc -> 192.168.174.147:8300 ... Done
- Generate config prometheus -> 192.168.174.145:9090 ... Done
- Generate config grafana -> 192.168.174.145:3000 ... Done
- Generate config alertmanager -> 192.168.174.145:9093 ... Done
+ Reload prometheus and grafana
- Reload prometheus -> 192.168.174.145:9090 ... Done
- Reload grafana -> 192.168.174.145:3000 ... Done
+ [ Serial ] - UpdateTopology: cluster=tidb-test
Scaled cluster `tidb-test` out successfully查看集群状态
tiup cluster display tidb-testCluster type: tidb
Cluster name: tidb-test
Cluster version: v8.5.1
Deploy user: tidb
SSH type: builtin
Dashboard URL: http://192.168.174.147:2379/dashboard
Grafana URL: http://192.168.174.145:3000
ID Role Host Ports OS/Arch Status Data Dir Deploy Dir
-- ---- ---- ----- ------- ------ -------- ----------
192.168.174.145:9093 alertmanager 192.168.174.145 9093/9094 linux/x86_64 Up /tidb-data/alertmanager-9093 /tidb-deploy/alertmanager-9093
192.168.174.145:8300 cdc 192.168.174.145 8300 linux/x86_64 Up /tidb-data/cdc-8300 /tidb-deploy/cdc-8300
192.168.174.146:8300 cdc 192.168.174.146 8300 linux/x86_64 Up /tidb-data/cdc-8300 /tidb-deploy/cdc-8300
192.168.174.147:8300 cdc 192.168.174.147 8300 linux/x86_64 Up /tidb-data/cdc-8300 /tidb-deploy/cdc-8300
192.168.174.145:3000 grafana 192.168.174.145 3000 linux/x86_64 Up - /tidb-deploy/grafana-3000
192.168.174.145:2379 pd 192.168.174.145 2379/2380 linux/x86_64 Up|L /tidb-data/pd-2379 /tidb-deploy/pd-2379
192.168.174.146:2379 pd 192.168.174.146 2379/2380 linux/x86_64 Up /tidb-data/pd-2379 /tidb-deploy/pd-2379
192.168.174.147:2379 pd 192.168.174.147 2379/2380 linux/x86_64 Up|UI /tidb-data/pd-2379 /tidb-deploy/pd-2379
192.168.174.145:9090 prometheus 192.168.174.145 9090/12020 linux/x86_64 Up /tidb-data/prometheus-9090 /tidb-deploy/prometheus-9090
192.168.174.145:4000 tidb 192.168.174.145 4000/10080 linux/x86_64 Up - /tidb-deploy/tidb-4000
192.168.174.146:4000 tidb 192.168.174.146 4000/10080 linux/x86_64 Up - /tidb-deploy/tidb-4000
192.168.174.147:4000 tidb 192.168.174.147 4000/10080 linux/x86_64 Up - /tidb-deploy/tidb-4000
192.168.174.145:9000 tiflash 192.168.174.145 9000/3930/20170/20292/8234/8123 linux/x86_64 Up /tidb-data/tiflash-9000 /tidb-deploy/tiflash-9000
192.168.174.146:9000 tiflash 192.168.174.146 9000/3930/20170/20292/8234/8123 linux/x86_64 Up /tidb-data/tiflash-9000 /tidb-deploy/tiflash-9000
192.168.174.147:9000 tiflash 192.168.174.147 9000/3930/20170/20292/8234/8123 linux/x86_64 Up /tidb-data/tiflash-9000 /tidb-deploy/tiflash-9000
192.168.174.145:20160 tikv 192.168.174.145 20160/20180 linux/x86_64 Up /tidb-data/tikv-20160 /tidb-deploy/tikv-20160
192.168.174.146:20160 tikv 192.168.174.146 20160/20180 linux/x86_64 Up /tidb-data/tikv-20160 /tidb-deploy/tikv-20160
192.168.174.147:20160 tikv 192.168.174.147 20160/20180 linux/x86_64 Up /tidb-data/tikv-20160 /tidb-deploy/tikv-20160
Total nodes: 18缩容 TiCDC 节点
下线 TiCDC 节点
tiup cluster scale-in tidb-test --node 192.168.174.147:8300查看集群状态
tiup cluster display tidb-test参考文档
https://docs.pingcap.com/zh/tidb/stable/scale-tidb-using-tiup/
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