Re: Fix race condition in InvalidatePossiblyObsoleteSlot()

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От Bertrand Drouvot
Тема Re: Fix race condition in InvalidatePossiblyObsoleteSlot()
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Msg-id ZdyZya4YrNapWKqz@ip-10-97-1-34.eu-west-3.compute.internal
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Ответ на Re: Fix race condition in InvalidatePossiblyObsoleteSlot()  (Bertrand Drouvot <bertranddrouvot.pg@gmail.com>)
Ответы Re: Fix race condition in InvalidatePossiblyObsoleteSlot()  (Michael Paquier <michael@paquier.xyz>)
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Hi,

On Tue, Feb 20, 2024 at 04:03:53PM +0000, Bertrand Drouvot wrote:
> Hi,
> 
> On Tue, Feb 20, 2024 at 02:33:44PM +0900, Michael Paquier wrote:
> > On Tue, Feb 20, 2024 at 08:51:17AM +0900, Michael Paquier wrote:
> > > Prefixing these with "initial_" is fine, IMO.  That shows the
> > > intention that these come from the slot's data before doing the
> > > termination.  So I'm OK with what's been proposed in v3.
> > 
> > I was looking at that a second time, and just concluded that this is
> > OK, so I've applied that down to 16, wordsmithing a bit the comments.
> 
> Thanks!
> FWIW, I've started to write a POC regarding the test we mentioned up-thread.
> 
> The POC test is based on what has been submitted by Michael in [1]. The POC test
> seems to work fine and it seems that nothing more is needed in [1] (at some point
> I thought I would need the ability to wake up multiple "wait" injection points
> in sequence but that was not necessary).
> 
> I'll polish and propose my POC test once [1] is pushed (unless you're curious
> about it before).

Though [1] mentioned up-thread is not pushed yet, I'm Sharing the POC patch now
(see the attached).

Regards,

-- 
Bertrand Drouvot
PostgreSQL Contributors Team
RDS Open Source Databases
Amazon Web Services: https://aws.amazon.com

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