[emptiestplace]

Huh? It seems you've forgotten that you were just saying that a single bit change would result in a 4096 byte write.

[Tostino]

> a single bit change would result in a 4096 byte write

On (most) SSD hardware, regardless of what software you are using to do the writes.

At least that's how I read their comment.

[emptiestplace]

Right, and if pg writes 8192 bytes every time, this is no longer relevant.