On Thu, Mar 23, 2017 at 11:44 PM, Mithun Cy <mithun...@enterprisedb.com>

> 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.


 Pavan Deolasee                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services

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