| Participated | tablespaces inside $PGDATA considered harmful | over 10 years ago | |
| Participated | Failure to coerce unknown type to specific type | over 10 years ago | |
| Participated | Reducing tuple overhead | over 10 years ago | |
| Started thread | Improving vacuum/VM/etc | over 10 years ago | |
| Participated | Freeze avoidance of very large table. | over 10 years ago | |
| Participated | Split the 'Server Programming' chapter into two? | over 10 years ago | |
| Started thread | Allow SQL/plpgsql functions to accept record | over 10 years ago | |
| Participated | Turning off HOT/Cleanup sometimes | over 10 years ago | |