public inbox for [email protected]
help / color / mirror / Atom feedFrom: Nathan Bossart <[email protected]>
To: Thomas Munro <[email protected]>
Cc: Michael Paquier <[email protected]>
Cc: Andres Freund <[email protected]>
Cc: Robert Haas <[email protected]>
Cc: Tom Lane <[email protected]>
Cc: Fujii Masao <[email protected]>
Cc: Postgres hackers <[email protected]>
Subject: Re: Weird failure with latches in curculio on v15
Date: Thu, 23 Feb 2023 15:16:50 -0800
Message-ID: <20230223231650.GB743455@nathanxps13> (raw)
In-Reply-To: <CA+hUKGJmM+3BWUrF=CXQ8p7gaS9JcUBB3VZ_R5CT6H6iY+t92g@mail.gmail.com>
References: <[email protected]>
<20230209002413.GA603595@nathanxps13>
<CA+TgmobE6rRs-tMArr733y9VucgNA5Nd9_qYgEVWjJDwHBwP-Q@mail.gmail.com>
<[email protected]>
<CA+TgmoY6xxDdZ1YJjMb27Ei7qgFcbu=__WtDX_cOd3GQ5uvxWw@mail.gmail.com>
<[email protected]>
<20230214174755.GA1348509@nathanxps13>
<Y/QKT/vgQajgO/[email protected]>
<20230221045039.GA4026654@nathanxps13>
<CA+hUKGJmM+3BWUrF=CXQ8p7gaS9JcUBB3VZ_R5CT6H6iY+t92g@mail.gmail.com>
On Wed, Feb 22, 2023 at 09:48:10PM +1300, Thomas Munro wrote:
> On Tue, Feb 21, 2023 at 5:50 PM Nathan Bossart <[email protected]> wrote:
>> On Tue, Feb 21, 2023 at 09:03:27AM +0900, Michael Paquier wrote:
>> > Perhaps beginning a new thread with a patch and a summary would be
>> > better at this stage? Another thing I am wondering is if it could be
>> > possible to test that rather reliably. I have been playing with a few
>> > scenarios like holding the system() call for a bit with hardcoded
>> > sleep()s, without much success. I'll try harder on that part.. It's
>> > been mentioned as well that we could just move away from system() in
>> > the long-term.
>>
>> I'm happy to create a new thread if needed, but I can't tell if there is
>> any interest in this stopgap/back-branch fix. Perhaps we should just jump
>> straight to the long-term fix that Thomas is looking into.
>
> Unfortunately the latch-friendly subprocess module proposal I was
> talking about would be for 17. I may post a thread fairly soon with
> design ideas + list of problems and decision points as I see them, and
> hopefully some sketch code, but it won't be a proposal for [/me checks
> calendar] next week's commitfest and probably wouldn't be appropriate
> in a final commitfest anyway, and I also have some other existing
> stuff to clear first. So please do continue with the stopgap ideas.
I've created a new thread for the stopgap fix [0].
[0] https://postgr.es/m/20230223231503.GA743455%40nathanxps13
--
Nathan Bossart
Amazon Web Services: https://aws.amazon.com
view thread (25+ messages) latest in thread
reply
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Reply to all the recipients using the --to and --cc options:
reply via email
To: [email protected]
Cc: [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected], [email protected]
Subject: Re: Weird failure with latches in curculio on v15
In-Reply-To: <20230223231650.GB743455@nathanxps13>
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
This inbox is served by agora; see mirroring instructions
for how to clone and mirror all data and code used for this inbox