On 01/15/2015 03:21 PM, Greg Stark wrote:
> I must have missed this, how did you some the hint bit problem with
> pg_rewind? Last I understood you ran the risk that the server has unlogged
> hint bit updates that you wouldn't know to rewind.
There's a new GUC in 9.4, wal_log_hints, for that. It has to be turned
on for pg_rewind to work. Or data checksums must be enabled, which also
causes hint bit updates to be logged.
- Heikki