On Fri, Jan 14, 2011 at 1:42 PM, Tom Lane <t...@sss.pgh.pa.us> wrote: > "Kevin Grittner" <kevin.gritt...@wicourts.gov> writes: >> Anyway, there are so many ideas in this area, it's hard to keep them >> all straight. Personally, if I was going to start with something, >> it would probably be to better establish what the impact is on >> various workloads of *eliminating* hint bits. > >> I know some people find them useful for forensics to a degree that >> they would prefer not to see this, > > Um, yeah, I think you're having a problem keeping all the ideas straight > ;-). The argument about forensics has to do with how soon we're willing > to freeze tuples, ie replace the XID with a constant. Not about hint > bits.
Those things are related, though. Freezing sooner could be viewed as an alternative to hint bits. Trouble is, it breaks Hot Standby, badly. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
