Monitoring disk space usage
You can use these system tables to monitor disk space usage on your cluster:
| System table | Description | 
|---|---|
| DISK_STORAGE | Monitors the amount of disk storage used by the database on each node. | 
| COLUMN_STORAGE | Monitors the amount of disk storage used by each column of each projection on each node. | 
| PROJECTION_STORAGE | Monitors the amount of disk storage used by each projection on each node. |