On 22 July 2014 12:54, Greg Stark <st...@mit.edu> wrote: > If you're always going FPW then there's no point in the rest of the record.
I think its a simple matter to mark them XLP_BKP_REMOVABLE and to skip any optimization of remainder of WAL records. > The point here was to find problems so that users could run normally with > confidence. Yes, but a full overwrite mode would provide an even safer mode of operation. > The cases you might want to run in the mode you describe are the build farm > or integration testing. When treating your application on the next release > of postgres it would be nice to have tests for the replication in your > workload given the experience in 9.3. > > Even without the constant full page writes a live production system could do > a FPW comparison after a FPW if it was in a consistent state. That would > give standbys periodic verification at low costs. Yes, the two options I proposed are somewhat independent of each other. -- Simon Riggs http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers