TiUP安装TiDB4.0集群 作者：周万春 微信：lovemysql3306 1、操作系统建议 CentOS Linux 7.4 及以上 2、安装结构生产建议 组件 CPU 内存 硬盘类型 网络 实例数量(最低要求) TiDB 16核+ 32GB+ SAS 万兆网卡（2 块最佳） 2 PD 4核+ 8GB+ SSD 万兆网卡（2 块最佳） 3 TiKV 16核+ 32GB+ SSD 万兆网卡（2 块最佳） 3 TiFlash 48核+ 128GB+ SSD 万兆网卡（2 块最佳） 2 TiCDC 16核+ 64GB+ SSD 万兆网卡（2 块最佳） 2 监控 8核+ 16GB+ SAS 千兆网卡 1 3、VMware模拟安装TiDB最简单的集群环境： 就一台机器：192.168.10.11，2c8g，disk 100G， TiDB 1 PD 1 TiKV 1 1 监控 配置/etc/hosts主机名解析 cat >> /etc/hosts <<EOF 192.168.10.11 db01 EOF 关闭防火墙 systemctl stop firewalld systemctl disable firewalld firewall-cmd --state 关闭selinux sed 's#SELINUX=enforcing#SELINUX=disabled#g' /etc/selinux/config -i setenforce 0 getenforce sestatus 设置CPU最大性能模式 cpupower frequency-info --governors cpupower frequency-info --policy cpupower frequency-set --governor performance 关闭swap echo "vm.swappiness = 0" >> /etc/sysctl.conf sysctl -p vim /etc/fstab 注释#swap swapoff -a && swapon -a && free -h 配置资源限制 cat >> /etc/security/limits.conf <<EOF tidb soft nofile 1000000 tidb hard nofile 1000000 tidb soft stack 10240 EOF 配置sudo授权 useradd tidb echo "mysql" | passwd --stdin tidb echo "tidb ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers 配置tidb用户ssh互信 su - tidb ssh-keygen cd .ssh/ cp -a id_rsa.pub authorized_keys chmod 600 authorized_keys scp -rp ~/.ssh/ tidb@192.168.10.12:/home/tidb/ cp到所有目标主机 连自身，连远程 ssh 192.168.10.11 hostname; hostname 数据盘准备： nvme ssd ext4 lsblk,lsblk -f blkid 分区： fdisk / parted --> parted -s -a optimal /dev/nvme0n1 mklabel gpt -- mkpart primary ext4 1 -1 建议直接格式化： mkfs.ext4 /dev/nvme0n1 blkid /dev/nvme0n1|awk -F[ "] '{print $2$3" /data ext4 defaults,nodelalloc,noatime 0 0"}' >> /etc/fstab mkdir -p /data mount -a mount -t ext4 df -Th 配置NTP服务 yum install -y ntp ntpdate 中控机：vim /etc/ntp.conf #server 0.centos.pool.ntp.org iburst #server 1.centos.pool.ntp.org iburst #server 2.centos.pool.ntp.org iburst #server 3.centos.pool.ntp.org iburst server 127.127.1.0 iburst 目标机：vim /etc/ntp.conf #restrict default nomodify notrap nopeer noquery #server 0.centos.pool.ntp.org iburst #server 1.centos.pool.ntp.org iburst #server 2.centos.pool.ntp.org iburst #server 3.centos.pool.ntp.org iburst server 192.168.10.11 restrict 192.168.10.11 nomodify notrap noquery systemctl start ntpd systemctl enable ntpd ntpstat 手工配置时间一样 date -s "2020-11-11 00:00:00" date "+%F %T"; ssh 192.168.10.11 'date "+%F %T"' 准备规划集群拓扑结构 # vim install_tidb.yaml global: user: "tidb" ssh_port: 22 deploy_dir: "/data/tidb-deploy" data_dir: "/data/tidb-data" monitored: node_exporter_port: 9100 blackbox_exporter_port: 9115 deploy_dir: "/data/tidb-deploy/monitored-9100" data_dir: "/data/tidb-data/monitored-9100" log_dir: "/data/tidb-deploy/monitored-9100/log" server_configs: tidb: log.level: error log.slow-threshold: 500 binlog.enable: false binlog.ignore-error: false performance.max-procs: 0 performance.txn-total-size-limit: 10737418240 prepared-plan-cache.enabled: true tikv-client.max-batch-wait-time: 0 tikv: pessimistic-txn.enabled: true pessimistic-txn.pipelined: true server.grpc-compression-type: none server.grpc-concurrency: 4 raftstore.apply-pool-size: 2 raftstore.store-pool-size: 2 rocksdb.max-sub-compactions: 1 storage.block-cache.capacity: "4GB" #MEM_TOTAL * 0.5 / TiKV 实例数量 storage.block-cache.shared: true readpool.unified.max-thread-count: 2 #cores * 0.8 / TiKV 数量 readpool.storage.use-unified-pool: false readpool.coprocessor.use-unified-pool: true pd: replication.enable-placement-rules: true schedule.leader-schedule-limit: 4 schedule.region-schedule-limit: 2048 schedule.replica-schedule-limit: 64 replication.location-labels: ["dc","zone","host"] tidb_servers: - host: 192.168.10.11 ssh_port: 22 port: 4000 status_port: 10080 deploy_dir: "/data/tidb-deploy/tidb-4000" log_dir: "/data/tidb-deploy/tidb-4000/log" numa_node: "0,1" tikv_servers: - host: 192.168.10.11 ssh_port: 22 port: 20160 status_port: 20180 deploy_dir: "/data/tidb-deploy/tikv-20160" data_dir: "/data/tidb-data/tikv-20160" log_dir: "/data/tidb-deploy/tikv-20160/log" config: server.labels: { dc: "dc1", zone: "zone1", host: "host-192.168.10.11" } pd_servers: - host: 192.168.10.11 ssh_port: 22 name: "pd-192.168.10.11-2379" client_port: 2379 peer_port: 2380 deploy_dir: "/data/tidb-deploy/pd-2379" data_dir: "/data/tidb-data/pd-2379" log_dir: "/data/tidb-deploy/pd-2379/log" monitoring_servers: - host: 192.168.10.11 ssh_port: 22 port: 9090 deploy_dir: "/data/tidb-deploy/prometheus-8249" data_dir: "/data/tidb-data/prometheus-8249" log_dir: "/data/tidb-deploy/prometheus-8249/log" grafana_servers: - host: 192.168.10.11 ssh_port: 22 port: 3000 deploy_dir: "/data/tidb-deploy/grafana-3000" alertmanager_servers: - host: 192.168.10.11 ssh_port: 22 web_port: 9093 cluster_port: 9094 deploy_dir: "/data/tidb-deploy/alertmanager-9093" data_dir: "/data/tidb-data/alertmanager-9093" log_dir: "/data/tidb-deploy/alertmanager-9093/log" 离线安装集群 su - tidb wget -c https://download.pingcap.org/tidb-community-server-v4.0.8-linux-amd64.tar.gz -P /disk/ tar -xf /disk/tidb-community-server-v4.0.8-linux-amd64.tar.gz -C /disk/ sh /disk/tidb-community-server-v4.0.8-linux-amd64/local_install.sh source /home/tidb/.bash_profile type tiup export TIUP_MIRRORS=/disk/tidb-community-server-v4.0.8-linux-amd64/ tiup cluster deploy tidb-gg v4.0.8 /disk/install_tidb.yaml --user tidb tiup list tidb tiup cluster list tiup cluster start tidb-gg tiup cluster display tidb-gg 上传MySQL二进制包 wget -c https://mirrors.cloud.tencent.com/mysql/downloads/MySQL-5.7/mysql-5.7.32-linux-glibc2.12-x86_64.tar.gz -P /disk/ wget -c https://dev.mysql.com/get/Downloads/MySQL-5.7/mysql-5.7.32-linux-glibc2.12-x86_64.tar.gz -P /disk/ mkdir -p /u01/app/mysql tar -xf mysql-5.7.32-linux-glibc2.12-x86_64.tar.gz -C /u01/app/mysql/ ln -s /u01/app/mysql/mysql-5.7.32-linux-glibc2.12-x86_64 /usr/local/mysql cat >> /etc/profile <<'EOF' # mysql export PATH=/usr/local/mysql/bin:$PATH EOF source /etc/profile mysql -uroot -p -h192.168.10.11 -P4000 alter user user() identified by '123'; flush privileges; 访问监控： 监控：http://192.168.10.11:3000/login 监控规则：192.168.10.11:9090 TiDB Dashboard：http://192.168.10.11:2379/dashboard/
