On Saturday, March 31, 2012, Robert Haas <robertmh...@gmail.com> wrote: > Hoping to demonstrate the wonders of our new group commit code, I ran > some benchmarks on the IBM POWER7 machine with synchronous_commit = > on. But, it didn't come out much better than 9.1.
Where I would expect (and have seen) much improvement is where #clients >> #CPU. Or "cores", whatever the term of art is. Of course I've mostly seen this where CPU=1 It looks like in your case tps was still scaling with clients when you gave up, so clients was probably too small. Jeff
