On Fri, Feb 24, 2017 at 3:56 AM, Jim Nasby <jim.na...@bluetreble.com> wrote:
> On 2/23/17 8:47 PM, Michael Paquier wrote: > >> Anything else than measured in bytes either requires a lookup at the >> file timestamp, which is not reliable with noatime or a lookup at WAL >> itself to decide when is the commit timestamp that matches the oldest >> point in time of the backup policy. >> > > An indication that it'd be nice to have a better way to store this > information as part of a base backup, or the archived WAL files. > > That could be made performance >> wise with an archive command. With pg_receivexlog you could make use >> of the end-segment command to scan the completely written segment for >> this data before moving on to the next one. At least it gives an >> argument for having such a command. David Steele mentioned that he >> could make use of such a thing. >> > > BTW, I'm not opposed to an end-segment command; I'm just saying I don't > think having it would really help users very much. > > It might not help end users directly, but it could certainly help tools-developers. At least that's what I'd think. -- Magnus Hagander Me: http://www.hagander.net/ Work: http://www.redpill-linpro.com/