This is configurable per Iris installation but the default values are:
| WHAT | KEPT |
| graphs - 5 minutes | 60 days |
| graphs - hourly | 12 months |
| graphs - 6 hourly | 5 years |
| raw data | 5 days (configurable) |
| archived raw data | None (configurable) |
| old graphs | 360 days |
| Netflow 5 minute data | 7 days |
| Netflow hourly data | 60 days |
| Netflow daily data | 180 days |
| events (log, etc.) | 180 days |
| CDRs | 180 days |
| fortilogs (traffic) | 180 days |
| fortilogs (filter) | 360 days |