On 2013-10-25 09:26:29 -0400, Robert Haas wrote: > > In any case, it's very far from obvious to me that CLUSTER ought > > to throw away information by default, which is what you're proposing. > > I find it odd to referring to this as throwing away information. I > know that you have a general concern about throwing away XIDs that are > still needed for forensic purposes, but that is clearly the ONLY > purpose that those XIDs serve, and the I/O advantages of freezing by > default could be massive for many of our users. What's going to > happen in practice is that experienced users will simply recommend > CLUSTER FREEZE rather than plain CLUSTER, and you won't have the > forensic information *anyway*.
I think we should just apply your "preserve forensic information when freezing" patch. Then we're good to go without big arguments ;) Greetings, Andres Freund -- Andres Freund 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