On Thursday 14. January 2010 16.02.12 Andy Colson wrote: > I think an important question is: are both os's really flushing all the > way to disk, or is someone lying to you? > > Assuming your workload is IO bound, I'd bet windows is write caching and > linux is not. See my reply above. My 250 tps seems in line with the 700 tps on a modern system that the OP gets on his Windows setup. To me it seems like something is broken on his Ubuntu setup. regards, -- Leif Biberg Kristensen http://solumslekt.org/ -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general