On 2015-12-17 15:56:35 +0900, Michael Paquier wrote: > On Thu, Dec 17, 2015 at 3:44 PM, Simon Riggs <si...@2ndquadrant.com> wrote: > > For me, rewriting the visibility map is a new data loss bug waiting to > > happen. I am worried that the group is not taking seriously the potential > > for catastrophe here. > > FWIW, I'm following this line and merging the vm file into a single > unit looks like a ticking bomb.
And what are those risks? > We may really want a separate _vm file, like _vmf to track this new > bit flag but this has already been mentioned largely upthread... That'd double the overhead when those bits get unset. -- Sent via pgsql-hackers mailing list (firstname.lastname@example.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers