Hi Anthonin,
> [...]
>
> The usual approach is to have pre-allocated memory. This must actually be written (zeroed usually) or it might be
lazilyallocated only on page fault. And it can't be copy on write memory allocated once in postmaster startup then
inheritedby fork.
>
> That imposes an overhead for every single postgres backend. So maybe there's a better solution.
It looks like the patch rotted a bit, see cfbot. Could you please
submit an updated version?
Best regards,
Aleksander Alekseev (wearing co-CFM hat)