and configure the optimal parameters of the operating system · · 129 4.2.6 Manually configure the SSH mutual trust and sudo without password · 135 4.2.7 Install the numactl tool · · · · · · · · · · · service. This is because TiUP needs to simulate deployment on multiple machines. 95 1. Modify /etc/ssh/sshd_config, and set MaxSessions to 20. 2. Restart the sshd service: service sshd restart 6. Create default value of # # the deployments if a specific deployment value is missing. global: user: "tidb" ssh_port: 22 deploy_dir: "/tidb-deploy" data_dir: "/tidb-data" # # Monitored variables are applied to

· · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 99 4.2.6 手动配置 SSH 互信及 sudo 免密码 · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 修改 /etc/ssh/sshd_config 将 MaxSessions 调至 20。 2. 重启 sshd 服务： service sshd restart 6. 创建并启动集群 按下面的配置模板，编辑配置文件，命名为 topo.yaml，其中： • user: "tidb"：表示通过 tidb 系统用户（部署会自动创建）来做集群的内部管理，默认使用 22 端 口通过 ssh 登录目标机器 default value of # # the deployments if a specific deployment value is missing. global: user: "tidb" ssh_port: 22 deploy_dir: "/tidb-deploy" data_dir: "/tidb-data" # # Monitored variables are applied to

and configure the optimal parameters of the operating system · · 557 5.2.6 Manually configure the SSH mutual trust and sudo without password · 563 5.2.7 Install the numactl tool · · · · · · · · · · · sshd service. This is because TiUP needs to simulate deployment on multiple machines. 1. Modify /etc/ssh/sshd_config, and set MaxSessions to 20. 2. Restart the sshd service: service sshd restart 6. Create default value of # # the deployments if a specific deployment value is missing. global: user: "tidb" ssh_port: 22 deploy_dir: "/tidb-deploy" data_dir: "/tidb-data" # # Monitored variables are applied to

· · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 453 5.2.6 手动配置 SSH 互信及 sudo 免密码 · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 修改 /etc/ssh/sshd_config 将 MaxSessions 调至 20。 2. 重启 sshd 服务： service sshd restart 6. 创建并启动集群 按下面的配置模板，编辑配置文件，命名为 topo.yaml，其中： • user: "tidb"：表示通过 tidb 系统用户（部署会自动创建）来做集群的内部管理，默认使用 22 端 口通过 ssh 登录目标机器 default value of # # the deployments if a specific deployment value is missing. global: user: "tidb" ssh_port: 22 deploy_dir: "/tidb-deploy" data_dir: "/tidb-data" # # Monitored variables are applied to

· · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 476 5.2.7 手动配置 SSH 互信及 sudo 免密码 · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 修改 /etc/ssh/sshd_config 将 MaxSessions 调至 20。 2. 重启 sshd 服务： service sshd restart 6. 创建并启动集群 按下面的配置模板，编辑配置文件，命名为 topo.yaml，其中： • user: "tidb"：表示通过 tidb 系统用户（部署会自动创建）来做集群的内部管理，默认使用 22 端 口通过 ssh 登录目标机器 default value of # # the deployments if a specific deployment value is missing. global: user: "tidb" ssh_port: 22 deploy_dir: "/tidb-deploy" data_dir: "/tidb-data" # # Monitored variables are applied to

and configure the optimal parameters of the operating system · · 624 5.2.7 Manually configure the SSH mutual trust and sudo without password · 630 5.2.8 Install the numactl tool · · · · · · · · · · · service. This is because TiUP needs to simulate deployment on multiple machines. 113 1. Modify /etc/ssh/sshd_config, and set MaxSessions to 20. 2. Restart the sshd service: service sshd restart 6. Create default value of # # the deployments if a specific deployment value is missing. global: user: "tidb" ssh_port: 22 deploy_dir: "/tidb-deploy" data_dir: "/tidb-data" # # Monitored variables are applied to

and configure the optimal parameters of the operating system · · 105 4.2.6 Manually configure the SSH mutual trust and sudo without password · 111 4.2.7 Install the numactl tool · · · · · · · · · · · sshd service. This is because TiUP needs to simulate deployment on multiple machines. 1. Modify /etc/ssh/sshd_config, and set MaxSessions to 20. 2. Restart the sshd service: service sshd restart 6. Create default value of # # the deployments if a specific deployment value is missing. global: user: "tidb" ssh_port: 22 deploy_dir: "/tidb-deploy" data_dir: "/tidb-data" # # Monitored variables are applied to

and configure the optimal parameters of the operating system · · 125 4.2.6 Manually configure the SSH mutual trust and sudo without password · 131 4.2.7 Install the numactl tool · · · · · · · · · · · sshd service. This is because TiUP needs to simulate deployment on multiple machines. 1. Modify /etc/ssh/sshd_config, and set MaxSessions to 20. 2. Restart the sshd service: service sshd restart 6. Create default value of # # the deployments if a specific deployment value is missing. global: user: "tidb" ssh_port: 22 deploy_dir: "/tidb-deploy" data_dir: "/tidb-data" # # Monitored variables are applied to

and configure the optimal parameters of the operating system · · 113 4.2.6 Manually configure the SSH mutual trust and sudo without password · 119 4.2.7 Install the numactl tool · · · · · · · · · · · sshd service. This is because TiUP needs to simulate deployment on multiple machines. 1. Modify /etc/ssh/sshd_config, and set MaxSessions to 20. 2. Restart the sshd service: service sshd restart 6. Create default value of # # the deployments if a specific deployment value is missing. global: user: "tidb" ssh_port: 22 deploy_dir: "/tidb-deploy" data_dir: "/tidb-data" # # Monitored variables are applied to

and configure the optimal parameters of the operating system · · 634 5.2.7 Manually configure the SSH mutual trust and sudo without password · 640 5.2.8 Install the numactl tool · · · · · · · · · · · privilege. This is because TiUP needs to simulate deployment on multiple machines. 1. Modify /etc/ssh/sshd_config, and set MaxSessions to 20. 2. Restart the sshd service: service sshd restart 6. Create default value of # # the deployments if a specific deployment value is missing. global: user: "tidb" ssh_port: 22 deploy_dir: "/tidb-deploy" data_dir: "/tidb-data" # # Monitored variables are applied to