# Limit Settings

+ Cluster deployment users, soft limit on the maximum number of open files
+ Cluster deployment users, hard limit on the maximum number of open files
+ Cluster deployment user, using stack size (kbytes)
```12
<deploy-username>    soft   nofile    1000000
<deploy-username>    hard   nofile    1000000
<deploy-username>    soft   stack     10240
```

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<deploy-user>Users who deploy and run TiDB clusters