# Change the SSD Cache Flush Ratio

> The SSD caching tier can be tailored to different workloads by adjusting the cache ratio and behavior.

You can change the cache flush ratio on the CubeCOS cluster by accessing the command-line interface via SSH and selecting one of the predefined cache profiles.

## Accessing CubeCOS cluster VIP via SSH {#accessing-cubecos-cluster-vip-via-ssh}

```bash
ssh admin@<your-cluster-vip>

Warning: Permanently added '192.168.1.x' (ECDSA) to the list of known hosts.
Password:
```

## Change Cache Flush Ratio Rate {#change-cache-flush-ratio-rate}

CLI: `storage > cache > set_profile`

```bash
controller> storage
controller:storage> cache
controller:cache> set_profile
Select profile:
1: high-burst (70% burst, 30% cache)
2: default (40% burst, 60% cache)
3: low-burst (20% burst, 80% cache)
Enter index: 1
Cache profile 'high-burst' configured
controller:cache> status
Status: on
Profile: high-burst
USED	SIZE
--
0B	216GiB
--
```