> > BTW, I've got ~320tps with 50 clients inserting (int4, text[1-256])
> > records into 50 tables (-B 16384, wal_buffers = 256) on Ultra10
> > with 512Mb RAM, IDE (clients run on the same host as server).
>
> Not bad. What were you getting before these recent changes?
As I already reported - with O_DSYNC this test shows 30% better
performance than with fsync.
(BTW, seems in all my tests I was using -O0 flag...)
Vadim