From: Simon Riggs <si...@2ndquadrant.com> > From xlogdefs.h added by 9155580: > /* > * First LSN to use for "fake" LSNs. > * > * Values smaller than this can be used for special per-AM purposes. > */ > #define FirstNormalUnloggedLSN ((XLogRecPtr) 1000)
Yeah, I had seen it, but I didn't understand what kind of usage is assumed. > I wonder why is that value 1000, rather than an aligned value or a whole WAL > page? I think that's because this fake LSN is not associated with the physical position of WAL records. Regards Takayuki Tsunakawa
