Re: Gather performance analysis

On 9/24/21 1:43 AM, Robert Haas wrote:
> On Thu, Sep 23, 2021 at 5:36 PM Tomas Vondra
> <tomas.vondra@enterprisedb.com> wrote:
>> (c) This can't explain the slowdown for cases without any Gather nodes
>> (and it's ~17%, so unlikely due to binary layout).
> 
> Yeah, but none of the modified code would even execute in those cases,
> so it's either binary layout, something wrong in your test
> environment, or gremlins.
> 

I'm not going to the office all that often these days, but I think I'm 
sure I'd notice a bunch of gremlins running around ... so it's probably 
the binary layout thing. But still, strange.

regards

-- 
Tomas Vondra
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