On Fri, Dec 16, 2011 at 12:07 PM, Heikki Linnakangas <heikki.linnakan...@enterprisedb.com> wrote:
> Anyway, I'm looking at ways to make the memcpy() of the payload happen > without the lock, in parallel, and once you do that the record header CRC > calculation can be done in parallel, too. That makes it irrelevant from a > performance point of view whether the prev-link is included in the CRC or > not. Better plan. So we keep the prev link in the CRC. I already proposed a design for that using page-level share locks any reason not to go with that? -- Simon Riggs http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
