Re: Hot standby and removing VACUUM FULL

On Fri, 2009-12-04 at 13:31 +0200, Heikki Linnakangas wrote:

> b) seems much simpler to me.

OK. Least ugly wins, but she ain't pretty.

> > 2. (In HS recovery) When we see first commit record for the VF xid we
> > commit the transaction in clog, yet maintain locks and KnownAssigned
> > xids
> > 
> > 3. (In HS recovery) When we see second commit record for the VF xid we
> > skip clog updates but then perform remaining parts of commit.
> 
> I's harmless to set a clog entry as committed twice, so you can treat
> the 2nd commit record the same as a regular commit record.

Yeh, OK, it is harmless and makes code cleaner.

-- Simon Riggs           www.2ndQuadrant.com