TiDB运维文档（上）

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fdisk -l
Disk /dev/nvme0n1: 1000 GB

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parted -s -a optimal /dev/nvme0n1 mklabel gpt -- mkpart primary ext4 1 -1

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mkfs.ext4 /dev/nvme0n1p1

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lsblk -f
NAME FSTYPE LABEL UUID MOUNTPOINT
sda
├─sda1 ext4 237b634b-a565-477b-8371-6dff0c41f5ab /boot
├─sda2 swap f414c5c0-f823-4bb1-8fdf-e531173a72ed
└─sda3 ext4 547909c1-398d-4696-94c6-03e43e317b60 /
sr0
nvme0n1
└─nvme0n1p1 ext4 c51eb23b-195c-4061-92a9-3fad812cc12f

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vi /etc/fstab
UUID=c51eb23b-195c-4061-92a9-3fad812cc12f /data1 ext4 defaults,nodelalloc,noatime 0 2

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mkdir /data1 && 
mount -a

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mount -t ext4
/dev/nvme0n1p1 on /data1 type ext4 (rw,noatime,nodelalloc,data=ordered)

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echo "vm.swappiness = 0">> /etc/sysctl.conf
swapoff -a && swapon -a
sysctl -p

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sudo firewall-cmd --state
sudo systemctl status firewalld.service

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sudo systemctl stop firewalld.service

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sudo systemctl disable firewalld.service

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sudo systemctl status firewalld.service

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sudo systemctl status ntpd.service
ntpd.service - Network Time Service
Loaded: loaded (/usr/lib/systemd/system/ntpd.service; disabled; vendor preset: disabled)
Active: active (running) since 一 2017-12-18 13:13:19 CST; 3s ago

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sudo systemctl status cronyd.service
chronyd.service - NTP client/server
Loaded: loaded (/usr/lib/systemd/system/chronyd.service; enabled; vendor preset: enabled)
Active: active (running) since Mon 2021-04-05 09:55:29 EDT; 3 days ago

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ntpstat

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synchronised to NTP server (85.199.214.101) at stratum 2
time correct to within 91 ms
polling server every 1024 s

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unsynchronised

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Unable to talk to NTP daemon. Is it running?

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sudo systemctl stop ntpd.service && 
sudo ntpdate pool.ntp.org && 
sudo systemctl start ntpd.service

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sudo yum install ntp ntpdate && 
sudo systemctl start ntpd.service && 
sudo systemctl enable ntpd.service

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useradd tidb && 
passwd tidb

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visudo
tidb ALL=(ALL) NOPASSWD: ALL

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ssh-keygen -t rsa
ssh-copy-id -i ~/.ssh/id_rsa.pub 10.0.1.1

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ssh 10.0.1.1
[tidb@10.0.1.1 ~]$

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sudo -su root
[root@10.0.1.1 tidb]#

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sudo yum -y install numactl

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tiup cluster exec tidb-test --sudo --command "yum -y install numactl"

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curl --proto =https --tlsv1.2 -sSf https://tiup-mirrors.pingcap.com/install.sh | sh

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source .bash_profile

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which tiup

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tiup mirror clone tidb-community-server-${version}-linux-amd64 ${version} --os=linux --arch=amd64

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tar czvf tidb-community-server-${version}-linux-amd64.tar.gz tidb-community-server-${version}-linux-amd64

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tar xzvf tidb-community-server-${version}-linux-amd64.tar.gz
sh tidb-community-server-${version}-linux-amd64/local_install.sh
source /home/tidb/.bash_profile

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cat topology.yaml

# # Global variables are applied to all deployments and used as the 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"

server_configs:
pd:
replication.enable-placement-rules: true

pd_servers:
- host: 10.0.1.4
- host: 10.0.1.5
- host: 10.0.1.6
tidb_servers:
- host: 10.0.1.7
- host: 10.0.1.8
- host: 10.0.1.9
tikv_servers:
- host: 10.0.1.1
- host: 10.0.1.2
- host: 10.0.1.3
tiflash_servers:
- host: 10.0.1.10
data_dir: /data1/tiflash/data,/data2/tiflash/data
cdc_servers:
- host: 10.0.1.6
- host: 10.0.1.7
- host: 10.0.1.8
monitoring_servers:
- host: 10.0.1.4
grafana_servers:
- host: 10.0.1.4
alertmanager_servers:
- host: 10.0.1.4

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tiup cluster deploy tidb-test v4.0.0 topology.yaml --user tidb [-p] [-i /home/root/.ssh/gcp_rsa]
tiup cluster start tidb-test