On Wed, Nov 18, 2015 at 6:29 PM, Peter Geoghegan <p...@heroku.com> wrote: > In principle, I have no problem with doing that. Through testing, I > cannot see any actual upside, though. Perhaps I just missed something. > Even 8MB is enough to avoid the multipass merge in the event of a > surprisingly high volume of data (my work laptop is elsewhere, so I > don't have my notes on this in front of me, but I figured out the > crossover point for a couple of cases).
I'd be interested in seeing this analysis in some detail. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
