# Prysm Goerli on Deneb: A Few Hours In
## Block processing data
### Before Denenb

### After Deneb

#### Notes
- Surprisingly, there has not been much change in chain service latency; the increase is minor.
- As expected, post-block and state transition have remained the same.
## Gossip data

#### Notes
- Block arrival time remains the same
- Blob arrival time is longer than block by ~100ms
## Fork choice data

#### Notes
- It started fluctuating at 2:50 am, reason unknown.
- Finalized epoch occurred 40 minutes earlier.
- Possible disruption in fork choice store due to pruning issue; debugging ongoing.
## Validator performance data

#### Notes
- The head vote proceeded more lower than before the fork, necessitating extended monitoring
## Memory and go routines




#### Notes
- They seem fine before and after Deneb
- CPU and network are from EF setup