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10 changes: 10 additions & 0 deletions tiup/tiup-faq.md
Original file line number Diff line number Diff line change
Expand Up @@ -38,3 +38,13 @@ TiUP Playground 组件主要定位是快速上手和搭建单机的开发环境
## 是否可以检测不同集群的端口和目录冲突?

如果不同集群是由同一个 TiUP 中控机部署的,会在部署和扩容时进行检测,如果属于不同的 TiUP 中控机,目前不支持检测。

## 集群部署期间,TiUP 收到报错 `ssh: handshake failed: read tcp 10.10.10.34:38980 -> 10.10.10.34:3600: read: connection reset by peer`

该报错可能是因为 TiUP 默认并发超过 ssh 默认最大连接数导致的,可尝试加大默认连接数,然后重启 sshd 服务解决:

```
vi /etc/ssh/sshd_config
MaxSessions 1000
MaxStartups 1000
```