Simon Riggs <si...@2ndquadrant.com> writes: > On 7 June 2012 14:56, Tom Lane <t...@sss.pgh.pa.us> wrote: >> Say what? That's a performance result and proves not a damn thing about >> safety.
> Of course not. > Based on the rationale explained in the code comments in the patch, it > seems like a reasonable thing to me now. > The argument was that since we hold AccessExclusiveLock on the > relation, no other agent can be reading in new parts of the table into > new buffers, so the only change to a buffer would be away from the > dropping relation, in which case we wouldn't care. Which seems correct > to me. Oh, I must be confused about which patch we are talking about --- I thought this was in reference to some of the WIP ideas that were being thrown about with respect to using lock-free access primitives. Which patch are you proposing for commit now, exactly? regards, tom lane -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers