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help / color / mirror / Atom feedFrom: Nathan Bossart <[email protected]>
To: Michael Paquier <[email protected]>
Cc: Andres Freund <[email protected]>
Cc: Robert Haas <[email protected]>
Cc: Tom Lane <[email protected]>
Cc: Thomas Munro <[email protected]>
Cc: Fujii Masao <[email protected]>
Cc: Postgres hackers <[email protected]>
Subject: Re: Weird failure with latches in curculio on v15
Date: Mon, 20 Feb 2023 20:50:39 -0800
Message-ID: <20230221045039.GA4026654@nathanxps13> (raw)
In-Reply-To: <Y/QKT/vgQajgO/[email protected]>
References: <CA+TgmobY5ALQE4U2q32YohLbJfze8CDBZ3rs2x2+ccAa+Pqw6g@mail.gmail.com>
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<20230209002413.GA603595@nathanxps13>
<CA+TgmobE6rRs-tMArr733y9VucgNA5Nd9_qYgEVWjJDwHBwP-Q@mail.gmail.com>
<[email protected]>
<CA+TgmoY6xxDdZ1YJjMb27Ei7qgFcbu=__WtDX_cOd3GQ5uvxWw@mail.gmail.com>
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<20230214174755.GA1348509@nathanxps13>
<Y/QKT/vgQajgO/[email protected]>
On Tue, Feb 21, 2023 at 09:03:27AM +0900, Michael Paquier wrote:
> On Tue, Feb 14, 2023 at 09:47:55AM -0800, Nathan Bossart wrote:
>> Here is a new version of the stopgap/back-branch fix for restore_command.
>> This is more or less a rebased version of v4 with an added stderr message
>> as Andres suggested upthread.
>
> So, this thread has moved around many subjects, still we did not get
> to the core of the issue which is what we should try to do to avoid
> sporadic failures like what the top of the thread is mentioning.
>
> 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.
--
Nathan Bossart
Amazon Web Services: https://aws.amazon.com
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Subject: Re: Weird failure with latches in curculio on v15
In-Reply-To: <20230221045039.GA4026654@nathanxps13>
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