Re: [HACKERS] Should we cacheline align PGXACT?
| От | Alexander Korotkov |
|---|---|
| Тема | Re: [HACKERS] Should we cacheline align PGXACT? |
| Дата | |
| Msg-id | CAPpHfdsca5=XpX+5e2SWoxKHgL_yf40yFN-BzVaPUZBUvSai9A@mail.gmail.com обсуждение исходный текст |
| Ответ на | Re: [HACKERS] Should we cacheline align PGXACT? (Robert Haas <robertmhaas@gmail.com>) |
| Ответы |
Re: [HACKERS] Should we cacheline align PGXACT?
Re: [HACKERS] Should we cacheline align PGXACT? |
| Список | pgsql-hackers |
On Thu, Feb 16, 2017 at 4:58 PM, Robert Haas <robertmhaas@gmail.com> wrote:
On Thu, Feb 16, 2017 at 5:07 AM, Alexander Korotkov
<a.korotkov@postgrespro.ru> wrote:
> On Wed, Feb 15, 2017 at 8:49 PM, Alvaro Herrera <alvherre@2ndquadrant.com>
> wrote:
>> Alexander Korotkov wrote:
>>
>> > Difference between master, pgxact-align-2 and pgxact-align-3 doesn't
>> > exceed
>> > per run variation.
>>
>> FWIW this would be more visible if you added error bars to each data
>> point. Should be simple enough in gnuplot ...
>
> Good point.
> Please find graph of mean and errors in attachment.
So ... no difference?
Yeah, nothing surprising. It's just another graph based on the same data.
I wonder how pgxact-align-3 would work on machine of Ashutosh Sharma, because I observed regression there in write-heavy benchmark of pgxact-align-2.
The Russian Postgres Company
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