> From: Claudio Freire <klaussfre...@gmail.com> > I hope I'm not talking to myself.
Indeed not. I also looked into prefetching for pure index scans for b-trees (and extension to use async io). http://archives.postgresql.org/message-id/BLU0-SMTP31709961D846CCF4F5EB4C2A3930%40phx.gbl I am not where I have a proper setup this week but will reply at greater length next week. John
