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Add deploy tidb-test step before tiup cluster exec tidb-test #8838

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Jun 20, 2022
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Add deploy tidb-test step before tiup cluster exec tidb-test #8838

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Add deploy tidb-test step
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32 changes: 11 additions & 21 deletions check-before-deployment.md
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Expand Up @@ -683,36 +683,26 @@ This section describes how to install the NUMA tool. In online environments, bec
> - Binding cores using NUMA is a method to isolate CPU resources and is suitable for deploying multiple instances on highly configured physical machines.
> - After completing deployment using `tiup cluster deploy`, you can use the `exec` command to perform cluster level management operations.

1. Log in to the target node to install. Take CentOS Linux release 7.7.1908 (Core) as an example.
To install the NUMA tool, take either of the following two methods:

{{< copyable "shell-regular" >}}
**Method 1**: Log in to the target node to install NUMA. Take CentOS Linux release 7.7.1908 (Core) as an example.

```bash
sudo yum -y install numactl
```
```bash
sudo yum -y install numactl
```

2. Run the `exec` command using `tiup cluster` to install in batches.
**Method 2**: Install NUMA on an existing cluster in batches by running the `tiup cluster exec` command.

{{< copyable "shell-regular" >}}
1. Follow [Deploy a TiDB Cluster Using TiUP](/production-deployment-using-tiup.md) to deploy a cluster `tidb-test`. If you have installed a TiDB cluster, you can skip this step.

```bash
tiup cluster exec --help
tiup cluster deploy tidb-test v6.1.0 ./topology.yaml --user root [-p] [-i /home/root/.ssh/gcp_rsa]
```

```
Run shell command on host in the tidb cluster
Usage:
cluster exec <cluster-name> [flags]
Flags:
--command string the command run on cluster host (default "ls")
-h, --help help for exec
--sudo use root permissions (default false)
```

To use the sudo privilege to execute the installation command for all the target machines in the `tidb-test` cluster, run the following command:

{{< copyable "shell-regular" >}}
2. Run the `tiup cluster exec` command using the `sudo` privilege to install NUMA on all the target machines in the `tidb-test` cluster:

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

To get help information of the `tiup cluster exec` command, run the `tiup cluster exec --help` command.