From: | Dilip Kumar <dilipbalaut(at)gmail(dot)com> |
---|---|
To: | "Andrey M(dot) Borodin" <x4mmm(at)yandex-team(dot)ru> |
Cc: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
Subject: | Re: SLRU optimization - configurable buffer pool and partitioning the SLRU lock |
Date: | 2023-11-20 11:12:43 |
Message-ID: | CAFiTN-vJRxrgQXzomw3Tyu6NxqLBO8d84nhSqCuDJjn5H6=2PA@mail.gmail.com |
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Lists: | pgsql-hackers |
On Mon, Nov 20, 2023 at 2:37 PM Andrey M. Borodin <x4mmm(at)yandex-team(dot)ru> wrote:
> > On 20 Nov 2023, at 13:51, Dilip Kumar <dilipbalaut(at)gmail(dot)com> wrote:
> >
> > 2) Do we really need one separate lwlock tranche for each SLRU?
> >
> > IMHO if we use the same lwlock tranche then the wait event will show
> > the same wait event name, right? And that would be confusing for the
> > user, whether we are waiting for Subtransaction or Multixact or
> > anything else. Is my understanding no correct here?
>
> If we give to a user multiple GUCs to tweak, I think we should give a way to understand which GUC to tweak when they observe wait times.
+1
--
Regards,
Dilip Kumar
EnterpriseDB: http://www.enterprisedb.com
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