Hi Pavan, On Thu, Mar 23, 2017 at 12:19 AM, Pavan Deolasee <pavan.deolasee@gmail.com> wrote: > Ok, no problem. I did some tests on AWS i2.xlarge instance (4 vCPU, 30GB > RAM, attached SSD) and results are shown below. But I think it is important > to get independent validation from your side too, just to ensure I am not > making any mistake in measurement. I've attached naively put together > scripts which I used to run the benchmark. If you find them useful, please > adjust the paths and run on your machine.
I did a similar test appears. Your v19 looks fine to me, it does not cause any regression, On the other hand, I also ran tests reducing table fillfactor to 80 there I can see a small regression 2-3% in average when updating col2 and on updating col9 again I do not see any regression.
Thanks Mithun for repeating the tests and confirming that the v19 patch looks ok.