On Wed, May 4, 2011 at 4:44 PM, Tom Lane <t...@sss.pgh.pa.us> wrote: > Do you have > any proof that writing out a few GB of buffers and then reading them > back in is actually much cheaper than letting the database re-read the > data from the disk files?
I believe he's just writing out the meta data. Ie, which blocks to re-reread from the disk files. -- greg -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
