On Thu, 8 Jul 2021 at 05:44, David Christensen <david.christen...@crunchydata.com> wrote: > Enclosed is the patch to change the return type to numeric, as well as one > for expanding units to > add PB and EB.
I ended up not changing the return type of pg_size_bytes(). > I figured that PB and EB are probably good enough additions at this point, so > we can debate whether > to add the others. Per Tom's concern both with changing the return type of pg_size_bytes() and his and my concern about going too far adding more units, I've adjusted your patch to only add petabytes and pushed it. The maximum range of BIGINT is only 8 exabytes, so the BIGINT version would never show in exabytes anyway. It would still be measuring in petabytes at the 64-bit range limit. After a bit of searching, I found reports that the estimated entire stored digital data on Earth as of 2020 to be 59 zettabytes, or about 0.06 yottabytes. I feel like we've gone far enough by adding petabytes today. Maybe that's worth revisiting in a couple of storage generations. After we're done there, we can start working on the LSN wraparound code. David
