tiup dm prune
When you scale in the cluster(/tiup/tiup-component-dm-scale-in.md), a small amount of metadata in etcd is not cleaned up, which usually causes no problem. If you need to clean up the metadata, you can manually execute the tiup dm prune command.
Syntax
tiup dm prune <cluster-name> [flags]
Option
-h, --help
- Prints the help information.
- Data type:
BOOLEAN - Default: false
Output
The log of the cleanup process.