Re: scalability bottlenecks with (many) partitions (and more)

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От Andres Freund
Тема Re: scalability bottlenecks with (many) partitions (and more)
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Msg-id ffiwtzc6vedo6wb4gbwelon5nefqg675t5c7an2ta7pcz646cg@qwmkdb3l4ett
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Ответ на Re: scalability bottlenecks with (many) partitions (and more)  (Tomas Vondra <tomas@vondra.me>)
Ответы Re: scalability bottlenecks with (many) partitions (and more)
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Hi,

On 2024-09-21 20:33:49 +0200, Tomas Vondra wrote:
> I've finally pushed this, after many rounds of careful testing to ensure
> no regressions, and polishing.

One minor nit: I don't like that FP_LOCK_SLOTS_PER_BACKEND is now non-constant
while looking like a constant:

#define        FP_LOCK_SLOTS_PER_BACKEND    (FP_LOCK_SLOTS_PER_GROUP * FastPathLockGroupsPerBackend)

I don't think it's a good idea to have non-function-like #defines that
reference variables that can change from run to run.

Greetings,

Andres Freund



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