On Thu, Aug 20, 2015 at 1:28 PM, Feng Tian <ft...@vitessedata.com> wrote: > Agree everything in principal,except one thing -- no, random IO on HDD in > 2010s (relative to CPU/Memory/SSD), is not any faster than tape in 1970s. > :-)
Sure. The advantage of replacement selection could be a deciding factor in unrepresentative cases, as I mentioned, but even then it's not going to be a dramatic difference as it would have been in the past. By the way, please don't top-post. -- Peter Geoghegan -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers