On Mon, Jun 6, 2016 at 8:43 PM, Alex Ignatov <a.igna...@postgrespro.ru> wrote:
> Hello! > > Why we don't have checksums on clog files. > > We have checksum on pg_control, optional checksumming on data files, some > form of checksumming on wal's. But why we don't have any checksumming on > clogs. Corruptions on clogs lead to transaction visisbility problems and > database consistency violation. > > Can anybody explain this situation with clogs? > > I think it will be better if users can have an option to checksum clog pages. However, I think that will need a change in page (CLOG-page) format which might not be a trivial work to accomplish. With Regards, Amit Kapila. EnterpriseDB: http://www.enterprisedb.com
