TiUP線上佈署TIDB分散式資料庫叢集節點刪除
檢查當前叢集節點狀態：
tiup cluster display hdcluster Starting component `cluster`: /home/tidb/.tiup/components/cluster/v1.3.2/tiup-cluster display hdcluster Cluster type: tidb Cluster name: hdcluster Cluster version: v4.0.8 SSH type: builtin Dashboard URL: ID Role Host Ports OS/Arch Status Data Dir Deploy Dir -- ---- ---- ----- ------- ------ -------- ---------- 172.16.254.91:9093 alertmanager 172.16.254.91 9093/9094 linux/x86_64 Up /tidb/tidb-data/alertmanager-9093 /tidb/tidb-deploy/alertmanager-9093 172.16.254.91:3000 grafana 172.16.254.91 3000 linux/x86_64 Up - /tidb/tidb-deploy/grafana-3000 172.16.254.101:2379 pd 172.16.254.101 2379/2380 linux/x86_64 Up /tidb/tidb-data/pd-2379 /tidb/tidb-deploy/pd-2379 172.16.254.102:2379 pd 172.16.254.102 2379/2380 linux/x86_64 Up /tidb/tidb-data/pd-2379 /tidb/tidb-deploy/pd-2379 172.16.254.92:2379 pd 172.16.254.92 2379/2380 linux/x86_64 Up|L /tidb/tidb-data/pd-2379 /tidb/tidb-deploy/pd-2379 172.16.254.93:2379 pd 172.16.254.93 2379/2380 linux/x86_64 Up|UI /tidb/tidb-data/pd-2379 /tidb/tidb-deploy/pd-2379 172.16.254.94:2379 pd 172.16.254.94 2379/2380 linux/x86_64 Up /tidb/tidb-data/pd-2379 /tidb/tidb-deploy/pd-2379 172.16.254.91:9090 prometheus 172.16.254.91 9090 linux/x86_64 Up /tidb/tidb-data/prometheus-9090 /tidb/tidb-deploy/prometheus-9090 172.16.254.103:4000 tidb 172.16.254.103 4000/10080 linux/x86_64 Up - /tidb/tidb-deploy/tidb-4000 172.16.254.95:4000 tidb 172.16.254.95 4000/10080 linux/x86_64 Up - /tidb/tidb-deploy/tidb-4000 172.16.254.96:4000 tidb 172.16.254.96 4000/10080 linux/x86_64 Up - /tidb/tidb-deploy/tidb-4000 172.16.254.97:4000 tidb 172.16.254.97 4000/10080 linux/x86_64 Up - /tidb/tidb-deploy/tidb-4000 172.16.254.91:9000 tiflash 172.16.254.91 9000/8123/3930/20170/20292/8234 linux/x86_64 Up /tidb/tidb-data/tiflash-9000 /tidb/tidb-deploy/tiflash-9000 172.16.254.100:20160 tikv 172.16.254.100 20160/20180 linux/x86_64 Up /tidb/tidb-data/tikv-20160 /tidb/tidb-deploy/tikv-20160 172.16.254.104:20160 tikv 172.16.254.104 20160/20180 linux/x86_64 Up /tidb/tidb-data/tikv-20160 /tidb/tidb-deploy/tikv-20160 172.16.254.98:20160 tikv 172.16.254.98 20160/20180 linux/x86_64 Up /tidb/tidb-data/tikv-20160 /tidb/tidb-deploy/tikv-20160 172.16.254.99:20160 tikv 172.16.254.99 20160/20180 linux/x86_64 Up /tidb/tidb-data/tikv-20160 /tidb/tidb-deploy/tikv-20160 Total nodes: 17
依次刪除上篇文章中新增的節點：及2臺pd_server，1臺tidb_server，1臺tikv_server
刪除tikv_servers：
tiup cluster scale-in hdcluster --node 172.16.254.104:20160
Starting component `cluster`: /home/tidb/.tiup/components/cluster/v1.3.2/tiup-cluster scale-in hdcluster --node 172.16.254.104:20160
This operation will delete the 172.16.254.104:20160 nodes in `hdcluster` and all their data.
Do you want to continue? [y/N]: y
Scale-in nodes...
+ [ Serial ] - SSHKeySet: privateKey=/home/tidb/.tiup/storage/cluster/clusters/hdcluster/ssh/id_rsa, publicKey=/home/tidb/.tiup/storage/cluster/clusters/hdcluster/ssh/id_rsa.pub
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.100
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.92
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.93
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.94
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.101
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.102
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.98
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.99
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.97
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.104
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.95
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.96
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.91
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.103
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.91
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.91
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.91
+ [ Serial ] - ClusterOperate: operation=ScaleInOperation, options={Roles:[] Nodes:[172.16.254.104:20160] Force:false SSHTimeout:5 OptTimeout:120 APITimeout:300 IgnoreConfigCheck:false NativeSSH:false SSHType: CleanupData:false CleanupLog:false RetainDataRoles:[] RetainDataNodes:[]}
The component `tikv` will become tombstone, maybe exists in several minutes or hours, after that you can use the prune command to clean it
+ [ Serial ] - UpdateMeta: cluster=hdcluster, deleted=`''`
+ [ Serial ] - UpdateTopology: cluster=hdcluster
+ Refresh instance configs
- Regenerate config pd -> 172.16.254.92:2379 ... Done
- Regenerate config pd -> 172.16.254.93:2379 ... Done
- Regenerate config pd -> 172.16.254.94:2379 ... Done
- Regenerate config pd -> 172.16.254.101:2379 ... Done
- Regenerate config pd -> 172.16.254.102:2379 ... Done
- Regenerate config tikv -> 172.16.254.98:20160 ... Done
- Regenerate config tikv -> 172.16.254.99:20160 ... Done
- Regenerate config tikv -> 172.16.254.100:20160 ... Done
- Regenerate config tidb -> 172.16.254.95:4000 ... Done
- Regenerate config tidb -> 172.16.254.96:4000 ... Done
- Regenerate config tidb -> 172.16.254.97:4000 ... Done
- Regenerate config tidb -> 172.16.254.103:4000 ... Done
- Regenerate config tiflash -> 172.16.254.91:9000 ... Done
- Regenerate config prometheus -> 172.16.254.91:9090 ... Done
- Regenerate config grafana -> 172.16.254.91:3000 ... Done
- Regenerate config alertmanager -> 172.16.254.91:9093 ... Done
+ [ Serial ] - SystemCtl: host=172.16.254.91 action=reload prometheus-9090.service
Scaled cluster `hdcluster` in successfully
刪除pd_servers：
tiup cluster scale-in hdcluster --node 172.16.254.101:2379
Starting component `cluster`: /home/tidb/.tiup/components/cluster/v1.3.2/tiup-cluster scale-in hdcluster --node 172.16.254.101:2379
This operation will delete the 172.16.254.101:2379 nodes in `hdcluster` and all their data.
Do you want to continue? [y/N]: y
Scale-in nodes...
+ [ Serial ] - SSHKeySet: privateKey=/home/tidb/.tiup/storage/cluster/clusters/hdcluster/ssh/id_rsa, publicKey=/home/tidb/.tiup/storage/cluster/clusters/hdcluster/ssh/id_rsa.pub
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.91
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.92
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.93
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.94
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.101
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.102
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.98
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.99
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.100
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.104
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.95
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.96
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.97
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.103
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.91
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.91
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.91
+ [ Serial ] - ClusterOperate: operation=ScaleInOperation, options={Roles:[] Nodes:[172.16.254.101:2379] Force:false SSHTimeout:5 OptTimeout:120 APITimeout:300 IgnoreConfigCheck:false NativeSSH:false SSHType: CleanupData:false CleanupLog:false RetainDataRoles:[] RetainDataNodes:[]}
Stopping component pd
Stopping instance 172.16.254.101
Stop pd 172.16.254.101:2379 success
Destroying component pd
Destroying instance 172.16.254.101
Destroy 172.16.254.101 success
- Destroy pd paths: [/tidb/tidb-data/pd-2379 /tidb/tidb-deploy/pd-2379/log /tidb/tidb-deploy/pd-2379 /etc/systemd/system/pd-2379.service]
Stopping component node_exporter
Stopping component blackbox_exporter
Destroying monitored 172.16.254.101
Destroying instance 172.16.254.101
Destroy monitored on 172.16.254.101 success
Delete public key 172.16.254.101
Delete public key 172.16.254.101 success
+ [ Serial ] - UpdateMeta: cluster=hdcluster, deleted=`'172.16.254.101:2379'`
+ [ Serial ] - UpdateTopology: cluster=hdcluster
+ Refresh instance configs
- Regenerate config pd -> 172.16.254.92:2379 ... Done
- Regenerate config pd -> 172.16.254.93:2379 ... Done
- Regenerate config pd -> 172.16.254.94:2379 ... Done
- Regenerate config pd -> 172.16.254.102:2379 ... Done
- Regenerate config tikv -> 172.16.254.98:20160 ... Done
- Regenerate config tikv -> 172.16.254.99:20160 ... Done
- Regenerate config tikv -> 172.16.254.100:20160 ... Done
- Regenerate config tikv -> 172.16.254.104:20160 ... Done
- Regenerate config tidb -> 172.16.254.95:4000 ... Done
- Regenerate config tidb -> 172.16.254.96:4000 ... Done
- Regenerate config tidb -> 172.16.254.97:4000 ... Done
- Regenerate config tidb -> 172.16.254.103:4000 ... Done
- Regenerate config tiflash -> 172.16.254.91:9000 ... Done
- Regenerate config prometheus -> 172.16.254.91:9090 ... Done
- Regenerate config grafana -> 172.16.254.91:3000 ... Done
- Regenerate config alertmanager -> 172.16.254.91:9093 ... Done
+ [ Serial ] - SystemCtl: host=172.16.254.91 action=reload prometheus-9090.service
Scaled cluster `hdcluster` in successfully
tiup cluster scale-in hdcluster --node 172.16.254.102:2379
Starting component `cluster`: /home/tidb/.tiup/components/cluster/v1.3.2/tiup-cluster scale-in hdcluster --node 172.16.254.102:2379
This operation will delete the 172.16.254.102:2379 nodes in `hdcluster` and all their data.
Do you want to continue? [y/N]: y
Scale-in nodes...
+ [ Serial ] - SSHKeySet: privateKey=/home/tidb/.tiup/storage/cluster/clusters/hdcluster/ssh/id_rsa, publicKey=/home/tidb/.tiup/storage/cluster/clusters/hdcluster/ssh/id_rsa.pub
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.91
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.92
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.93
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.94
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.102
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.98
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.99
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.100
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.104
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.95
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.96
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.97
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.103
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.91
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.91
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.91
+ [ Serial ] - ClusterOperate: operation=ScaleInOperation, options={Roles:[] Nodes:[172.16.254.102:2379] Force:false SSHTimeout:5 OptTimeout:120 APITimeout:300 IgnoreConfigCheck:false NativeSSH:false SSHType: CleanupData:false CleanupLog:false RetainDataRoles:[] RetainDataNodes:[]}
Stopping component pd
Stopping instance 172.16.254.102
Stop pd 172.16.254.102:2379 success
Destroying component pd
Destroying instance 172.16.254.102
Destroy 172.16.254.102 success
- Destroy pd paths: [/tidb/tidb-data/pd-2379 /tidb/tidb-deploy/pd-2379/log /tidb/tidb-deploy/pd-2379 /etc/systemd/system/pd-2379.service]
Stopping component node_exporter
Stopping component blackbox_exporter
Destroying monitored 172.16.254.102
Destroying instance 172.16.254.102
Destroy monitored on 172.16.254.102 success
Delete public key 172.16.254.102
Delete public key 172.16.254.102 success
+ [ Serial ] - UpdateMeta: cluster=hdcluster, deleted=`'172.16.254.102:2379'`
+ [ Serial ] - UpdateTopology: cluster=hdcluster
+ Refresh instance configs
- Regenerate config pd -> 172.16.254.92:2379 ... Done
- Regenerate config pd -> 172.16.254.93:2379 ... Done
- Regenerate config pd -> 172.16.254.94:2379 ... Done
- Regenerate config tikv -> 172.16.254.98:20160 ... Done
- Regenerate config tikv -> 172.16.254.99:20160 ... Done
- Regenerate config tikv -> 172.16.254.100:20160 ... Done
- Regenerate config tikv -> 172.16.254.104:20160 ... Done
- Regenerate config tidb -> 172.16.254.95:4000 ... Done
- Regenerate config tidb -> 172.16.254.96:4000 ... Done
- Regenerate config tidb -> 172.16.254.97:4000 ... Done
- Regenerate config tidb -> 172.16.254.103:4000 ... Done
- Regenerate config tiflash -> 172.16.254.91:9000 ... Done
- Regenerate config prometheus -> 172.16.254.91:9090 ... Done
- Regenerate config grafana -> 172.16.254.91:3000 ... Done
- Regenerate config alertmanager -> 172.16.254.91:9093 ... Done
+ [ Serial ] - SystemCtl: host=172.16.254.91 action=reload prometheus-9090.service
Scaled cluster `hdcluster` in successfully
刪除tidb_servers：
tiup cluster scale-in hdcluster --node 172.16.254.103:4000
Starting component `cluster`: /home/tidb/.tiup/components/cluster/v1.3.2/tiup-cluster scale-in hdcluster --node 172.16.254.103:4000
This operation will delete the 172.16.254.103:4000 nodes in `hdcluster` and all their data.
Do you want to continue? [y/N]: y
Scale-in nodes...
+ [ Serial ] - SSHKeySet: privateKey=/home/tidb/.tiup/storage/cluster/clusters/hdcluster/ssh/id_rsa, publicKey=/home/tidb/.tiup/storage/cluster/clusters/hdcluster/ssh/id_rsa.pub
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.91
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.92
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.93
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.94
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.98
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.99
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.100
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.104
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.95
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.96
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.91
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.91
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.91
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.97
+ [Parallel] - UserSSH: user=tidb, host=172.16.254.103
+ [ Serial ] - ClusterOperate: operation=ScaleInOperation, options={Roles:[] Nodes:[172.16.254.103:4000] Force:false SSHTimeout:5 OptTimeout:120 APITimeout:300 IgnoreConfigCheck:false NativeSSH:false SSHType: CleanupData:false CleanupLog:false RetainDataRoles:[] RetainDataNodes:[]}
Stopping component tidb
Stopping instance 172.16.254.103
Stop tidb 172.16.254.103:4000 success
Destroying component tidb
Destroying instance 172.16.254.103
Destroy 172.16.254.103 success
- Destroy tidb paths: [/tidb/tidb-deploy/tidb-4000 /etc/systemd/system/tidb-4000.service /tidb/tidb-deploy/tidb-4000/log]
Stopping component node_exporter
Stopping component blackbox_exporter
Destroying monitored 172.16.254.103
Destroying instance 172.16.254.103
Destroy monitored on 172.16.254.103 success
Delete public key 172.16.254.103
Delete public key 172.16.254.103 success
+ [ Serial ] - UpdateMeta: cluster=hdcluster, deleted=`'172.16.254.103:4000'`
+ [ Serial ] - UpdateTopology: cluster=hdcluster
+ Refresh instance configs
- Regenerate config pd -> 172.16.254.92:2379 ... Done
- Regenerate config pd -> 172.16.254.93:2379 ... Done
- Regenerate config pd -> 172.16.254.94:2379 ... Done
- Regenerate config tikv -> 172.16.254.98:20160 ... Done
- Regenerate config tikv -> 172.16.254.99:20160 ... Done
- Regenerate config tikv -> 172.16.254.100:20160 ... Done
- Regenerate config tikv -> 172.16.254.104:20160 ... Done
- Regenerate config tidb -> 172.16.254.95:4000 ... Done
- Regenerate config tidb -> 172.16.254.96:4000 ... Done
- Regenerate config tidb -> 172.16.254.97:4000 ... Done
- Regenerate config tiflash -> 172.16.254.91:9000 ... Done
- Regenerate config prometheus -> 172.16.254.91:9090 ... Done
- Regenerate config grafana -> 172.16.254.91:3000 ... Done
- Regenerate config alertmanager -> 172.16.254.91:9093 ... Done
+ [ Serial ] - SystemCtl: host=172.16.254.91 action=reload prometheus-9090.service
Scaled cluster `hdcluster` in successfully
檢查叢集節點狀態：
tiup cluster display hdcluster Starting component `cluster`: /home/tidb/.tiup/components/cluster/v1.3.2/tiup-cluster display hdcluster Cluster type: tidb Cluster name: hdcluster Cluster version: v4.0.8 SSH type: builtin Dashboard URL: ID Role Host Ports OS/Arch Status Data Dir Deploy Dir -- ---- ---- ----- ------- ------ -------- ---------- 172.16.254.91:9093 alertmanager 172.16.254.91 9093/9094 linux/x86_64 Up /tidb/tidb-data/alertmanager-9093 /tidb/tidb-deploy/alertmanager-9093 172.16.254.91:3000 grafana 172.16.254.91 3000 linux/x86_64 Up - /tidb/tidb-deploy/grafana-3000 172.16.254.92:2379 pd 172.16.254.92 2379/2380 linux/x86_64 Up|L /tidb/tidb-data/pd-2379 /tidb/tidb-deploy/pd-2379 172.16.254.93:2379 pd 172.16.254.93 2379/2380 linux/x86_64 Up|UI /tidb/tidb-data/pd-2379 /tidb/tidb-deploy/pd-2379 172.16.254.94:2379 pd 172.16.254.94 2379/2380 linux/x86_64 Up /tidb/tidb-data/pd-2379 /tidb/tidb-deploy/pd-2379 172.16.254.91:9090 prometheus 172.16.254.91 9090 linux/x86_64 Up /tidb/tidb-data/prometheus-9090 /tidb/tidb-deploy/prometheus-9090 172.16.254.95:4000 tidb 172.16.254.95 4000/10080 linux/x86_64 Up - /tidb/tidb-deploy/tidb-4000 172.16.254.96:4000 tidb 172.16.254.96 4000/10080 linux/x86_64 Up - /tidb/tidb-deploy/tidb-4000 172.16.254.97:4000 tidb 172.16.254.97 4000/10080 linux/x86_64 Up - /tidb/tidb-deploy/tidb-4000 172.16.254.91:9000 tiflash 172.16.254.91 9000/8123/3930/20170/20292/8234 linux/x86_64 Up /tidb/tidb-data/tiflash-9000 /tidb/tidb-deploy/tiflash-9000 172.16.254.100:20160 tikv 172.16.254.100 20160/20180 linux/x86_64 Up /tidb/tidb-data/tikv-20160 /tidb/tidb-deploy/tikv-20160 172.16.254.104:20160 tikv 172.16.254.104 20160/20180 linux/x86_64 Tombstone /tidb/tidb-data/tikv-20160 /tidb/tidb-deploy/tikv-20160 172.16.254.98:20160 tikv 172.16.254.98 20160/20180 linux/x86_64 Up /tidb/tidb-data/tikv-20160 /tidb/tidb-deploy/tikv-20160 172.16.254.99:20160 tikv 172.16.254.99 20160/20180 linux/x86_64 Up /tidb/tidb-data/tikv-20160 /tidb/tidb-deploy/tikv-20160 Total nodes: 14 There are some nodes can be pruned: Nodes: [172.16.254.104:20160] You can destroy them with the command: `tiup cluster prune hdcluster`
縮容完畢。
來自 “ ITPUB部落格 ” ，連結：http://blog.itpub.net/30135314/viewspace-2758372/，如需轉載，請註明出處，否則將追究法律責任。
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