Re: rewrite HeapSatisfiesHOTAndKey

On Wed, Jan 4, 2017 at 11:45 PM, Pavan Deolasee
<pavan(dot)deolasee(at)gmail(dot)com> wrote:
>
>
> On Tue, Jan 3, 2017 at 9:33 PM, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
>>
>> On Mon, Jan 2, 2017 at 1:36 AM, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>
>> wrote:
>> > Okay, but I think if we know how much is the additional cost in
>> > average and worst case, then we can take a better call.
>>
>> Yeah. We shouldn't just rip out optimizations that are inconvenient
>> without doing some test of what the impact is on the cases where those
>> optimizations are likely to matter. I don't think it needs to be
>> anything incredibly laborious and if there's no discernable impact,
>> great.
>
>
> So I performed some tests to measure if this causes any noticeable
> regression.
>

Your test and results look good, what kind of m/c you have used to
test this. Let me see if I or one of my colleague can do this and
similar test on some high-end m/c.

--
With Regards,
Amit Kapila.
EnterpriseDB: http://www.enterprisedb.com