> However, the diff files seem to be considerably larger than one would expect. > One obvious part of the problem is the fact that diff shows old and new text, > so e.g. changing the amount of stock for a product with a 1kB description > would generate at least 2kb of text in the diff file. > > What would be a better approach?
I suppose wal archiving or PITR would be better, but assuming you want text files I guess you need to change your database structure to either: 1) include a watermark on data and dump only data since the last dump (to do manually); 2) partition your tables and backup specific tables/partitions depending on the timing.
-- ============================== If Pac-Man had affected us as kids, we'd all be running around in a darkened room munching pills and listening to repetitive music.
