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Update wording #446

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Apr 27, 2018
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Update wording #446

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bacf6b1
Update wording
CaitinChen Apr 27, 2018
3676891
Add "the" before "TiDB services"
lilin90 Apr 27, 2018
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6 changes: 3 additions & 3 deletions FAQ.md
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Expand Up @@ -158,7 +158,7 @@ You need to set the `--config` parameter in TiKV/PD to make the `toml` configura

##### Should I deploy the TiDB monitoring framework (Prometheus + Grafana) on a standalone machine or on multiple machines? What is the recommended CPU and memory?

The monitoring machine is recommended to use standalone deployment. It is recommended to use a 8 core CPU with 16 GB+ memory and a 500 GB+ hard disk.
The monitoring machine is recommended to use standalone deployment. It is recommended to use an 8 core CPU with 16 GB+ memory and a 500 GB+ hard disk.

##### Why the monitor cannot display all metrics?

Expand Down Expand Up @@ -210,9 +210,9 @@ It is not recommended to deploy TiDB offline using Ansible. If the Control Machi
ansible-playbook rolling_update.yml
```

#### What is the effect of rolling udpates?
#### How are the rolling updates done?

When you apply rolling updates to TiDB services, the running application is not affected. You need to configure the minimum cluster topology (TiDB * 2, PD * 3, TiKV * 3). If the Pump/Drainer service is involved in the cluster, it is recommended to stop Drainer before rolling updates. When you update TiDB, Pump is also updated.
When you apply rolling updates to the TiDB services, the running application is not affected. You need to configure the minimum cluster topology (TiDB * 2, PD * 3, TiKV * 3). If the Pump/Drainer service is involved in the cluster, it is recommended to stop Drainer before rolling updates. When you update TiDB, Pump is also updated.

#### How to upgrade when I deploy TiDB using Binary?

Expand Down