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 |