Re: MultiXact\SLRU buffers configuration

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От Alexander Korotkov
Тема Re: MultiXact\SLRU buffers configuration
Дата
Msg-id CAPpHfdsUtSGxRrKn65F_wrE66sNztNY4TpDGDHh2kvAZZDOMqA@mail.gmail.com
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Ответ на Re: MultiXact\SLRU buffers configuration  (Alexander Korotkov <aekorotkov@gmail.com>)
Ответы Re: MultiXact\SLRU buffers configuration  (Tomas Vondra <tomas.vondra@2ndquadrant.com>)
Список pgsql-hackers
On Tue, Oct 27, 2020 at 8:02 PM Alexander Korotkov <aekorotkov@gmail.com> wrote:
> On Mon, Oct 26, 2020 at 6:45 PM Andrey Borodin <x4mmm@yandex-team.ru> wrote:
> > Thanks for your review, Alexander!
> > +1 for avoiding double locking in SimpleLruReadPage_ReadOnly().
> > Other changes seem correct to me too.
> >
> >
> > I've tried to find optimal value for cache size and it seems to me that it affects multixact scalability much less
thansizes of offsets\members buffers. I concur that patch 2 of the patchset does not seem documented enough.
 
>
> Thank you.  I've made a few more minor adjustments to the patchset.
> I'm going to push 0001 and 0003 if there are no objections.

I get that patchset v5 doesn't pass the tests due to typo in assert.
The fixes version is attached.

------
Regards,
Alexander Korotkov

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