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.
tiup dm prune <cluster-name> [flags]
- Prints the help information.
- Data type:
- Default: false
The log of the cleanup process.