TiUP在线布署TIDB分布式数据库集群节点删除
TiUP在线布署TIDB分布式数据库集群节点删除
检查当前集群节点状态：
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 | tiup cluster display hdclusterStarting component `cluster`: /home/tidb/.tiup/components/cluster/v1.3.2/tiup-cluster display hdclusterCluster type: tidbCluster name: hdclusterCluster version: v4.0.8SSH type: builtinDashboard 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-9093172.16.254.91:3000 grafana 172.16.254.91 3000 linux/x86_64 Up - /tidb/tidb-deploy/grafana-3000172.16.254.101:2379 pd 172.16.254.101 2379/2380 linux/x86_64 Up /tidb/tidb-data/pd-2379 /tidb/tidb-deploy/pd-2379172.16.254.102:2379 pd 172.16.254.102 2379/2380 linux/x86_64 Up /tidb/tidb-data/pd-2379 /tidb/tidb-deploy/pd-2379172.16.254.92:2379 pd 172.16.254.92 2379/2380 linux/x86_64 Up|L /tidb/tidb-data/pd-2379 /tidb/tidb-deploy/pd-2379172.16.254.93:2379 pd 172.16.254.93 2379/2380 linux/x86_64 Up|UI /tidb/tidb-data/pd-2379 /tidb/tidb-deploy/pd-2379172.16.254.94:2379 pd 172.16.254.94 2379/2380 linux/x86_64 Up /tidb/tidb-data/pd-2379 /tidb/tidb-deploy/pd-2379172.16.254.91:9090 prometheus 172.16.254.91 9090 linux/x86_64 Up /tidb/tidb-data/prometheus-9090 /tidb/tidb-deploy/prometheus-9090172.16.254.103:4000 tidb 172.16.254.103 4000/10080 linux/x86_64 Up - /tidb/tidb-deploy/tidb-4000172.16.254.95:4000 tidb 172.16.254.95 4000/10080 linux/x86_64 Up - /tidb/tidb-deploy/tidb-4000172.16.254.96:4000 tidb 172.16.254.96 4000/10080 linux/x86_64 Up - /tidb/tidb-deploy/tidb-4000172.16.254.97:4000 tidb 172.16.254.97 4000/10080 linux/x86_64 Up - /tidb/tidb-deploy/tidb-4000172.16.254.91:9000 tiflash 172.16.254.91 9000/8123/3930/20170/20292/8234 linux/x86_64 Up /tidb/tidb-data/tiflash-9000 /tidb/tidb-deploy/tiflash-9000172.16.254.100:20160 tikv 172.16.254.100 20160/20180 linux/x86_64 Up /tidb/tidb-data/tikv-20160 /tidb/tidb-deploy/tikv-20160172.16.254.104:20160 tikv 172.16.254.104 20160/20180 linux/x86_64 Up /tidb/tidb-data/tikv-20160 /tidb/tidb-deploy/tikv-20160172.16.254.98:20160 tikv 172.16.254.98 20160/20180 linux/x86_64 Up /tidb/tidb-data/tikv-20160 /tidb/tidb-deploy/tikv-20160172.16.254.99:20160 tikv 172.16.254.99 20160/20180 linux/x86_64 Up /tidb/tidb-data/tikv-20160 /tidb/tidb-deploy/tikv-20160Total nodes: 17 |
依次删除上篇文章中添加的节点：及2台pd_server，1台tidb_server，1台tikv_server
删除tikv_servers：
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | tiup cluster scale-in hdcluster --node 172.16.254.104:20160Starting component `cluster`: /home/tidb/.tiup/components/cluster/v1.3.2/tiup-cluster scale-in hdcluster --node 172.16.254.104:20160This operation will delete the 172.16.254.104:20160 nodes in `hdcluster` and all their data.Do you want to continue? [y/N]: yScale-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.serviceScaled cluster `hdcluster` in successfully |
删除pd_servers：
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | tiup cluster scale-in hdcluster --node 172.16.254.101:2379Starting component `cluster`: /home/tidb/.tiup/components/cluster/v1.3.2/tiup-cluster scale-in hdcluster --node 172.16.254.101:2379This operation will delete the 172.16.254.101:2379 nodes in `hdcluster` and all their data.Do you want to continue? [y/N]: yScale-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 successDestroying component pdDestroying instance 172.16.254.101Destroy 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_exporterStopping component blackbox_exporterDestroying monitored 172.16.254.101 Destroying instance 172.16.254.101Destroy monitored on 172.16.254.101 successDelete public key 172.16.254.101Delete 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.serviceScaled cluster `hdcluster` in successfully |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 | tiup cluster scale-in hdcluster --node 172.16.254.102:2379Starting component `cluster`: /home/tidb/.tiup/components/cluster/v1.3.2/tiup-cluster scale-in hdcluster --node 172.16.254.102:2379This operation will delete the 172.16.254.102:2379 nodes in `hdcluster` and all their data.Do you want to continue? [y/N]: yScale-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 successDestroying component pdDestroying instance 172.16.254.102Destroy 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_exporterStopping component blackbox_exporterDestroying monitored 172.16.254.102 Destroying instance 172.16.254.102Destroy monitored on 172.16.254.102 successDelete public key 172.16.254.102Delete 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.serviceScaled cluster `hdcluster` in successfully |
删除tidb_servers：
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | tiup cluster scale-in hdcluster --node 172.16.254.103:4000Starting component `cluster`: /home/tidb/.tiup/components/cluster/v1.3.2/tiup-cluster scale-in hdcluster --node 172.16.254.103:4000This operation will delete the 172.16.254.103:4000 nodes in `hdcluster` and all their data.Do you want to continue? [y/N]: yScale-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 successDestroying component tidbDestroying instance 172.16.254.103Destroy 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_exporterStopping component blackbox_exporterDestroying monitored 172.16.254.103 Destroying instance 172.16.254.103Destroy monitored on 172.16.254.103 successDelete public key 172.16.254.103Delete 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.serviceScaled cluster `hdcluster` in successfully |
检查集群节点状态：
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 | tiup cluster display hdclusterStarting component `cluster`: /home/tidb/.tiup/components/cluster/v1.3.2/tiup-cluster display hdclusterCluster type: tidbCluster name: hdclusterCluster version: v4.0.8SSH type: builtinDashboard 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-9093172.16.254.91:3000 grafana 172.16.254.91 3000 linux/x86_64 Up - /tidb/tidb-deploy/grafana-3000172.16.254.92:2379 pd 172.16.254.92 2379/2380 linux/x86_64 Up|L /tidb/tidb-data/pd-2379 /tidb/tidb-deploy/pd-2379172.16.254.93:2379 pd 172.16.254.93 2379/2380 linux/x86_64 Up|UI /tidb/tidb-data/pd-2379 /tidb/tidb-deploy/pd-2379172.16.254.94:2379 pd 172.16.254.94 2379/2380 linux/x86_64 Up /tidb/tidb-data/pd-2379 /tidb/tidb-deploy/pd-2379172.16.254.91:9090 prometheus 172.16.254.91 9090 linux/x86_64 Up /tidb/tidb-data/prometheus-9090 /tidb/tidb-deploy/prometheus-9090172.16.254.95:4000 tidb 172.16.254.95 4000/10080 linux/x86_64 Up - /tidb/tidb-deploy/tidb-4000172.16.254.96:4000 tidb 172.16.254.96 4000/10080 linux/x86_64 Up - /tidb/tidb-deploy/tidb-4000172.16.254.97:4000 tidb 172.16.254.97 4000/10080 linux/x86_64 Up - /tidb/tidb-deploy/tidb-4000172.16.254.91:9000 tiflash 172.16.254.91 9000/8123/3930/20170/20292/8234 linux/x86_64 Up /tidb/tidb-data/tiflash-9000 /tidb/tidb-deploy/tiflash-9000172.16.254.100:20160 tikv 172.16.254.100 20160/20180 linux/x86_64 Up /tidb/tidb-data/tikv-20160 /tidb/tidb-deploy/tikv-20160172.16.254.104:20160 tikv 172.16.254.104 20160/20180 linux/x86_64 Tombstone /tidb/tidb-data/tikv-20160 /tidb/tidb-deploy/tikv-20160172.16.254.98:20160 tikv 172.16.254.98 20160/20180 linux/x86_64 Up /tidb/tidb-data/tikv-20160 /tidb/tidb-deploy/tikv-20160172.16.254.99:20160 tikv 172.16.254.99 20160/20180 linux/x86_64 Up /tidb/tidb-data/tikv-20160 /tidb/tidb-deploy/tikv-20160Total nodes: 14There are some nodes can be pruned: Nodes: [172.16.254.104:20160] You can destroy them with the command: `tiup cluster prune hdcluster` |
缩容完毕。
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