On Thu, Mar 23, 2017 at 11:44 PM, Mithun Cy <mithun...@enterprisedb.com> wrote:
> Hi Pavan, > On Thu, Mar 23, 2017 at 12:19 AM, Pavan Deolasee > <pavan.deola...@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. Thanks, Pavan -- Pavan Deolasee http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services