Re: [15] Custom WAL resource managers, single user mode, and recovery

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От Alexander Kukushkin
Тема Re: [15] Custom WAL resource managers, single user mode, and recovery
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Msg-id CAFh8B=nEgNPqs_V_8OGFSRo6tcjCeJrjrbNioMbqe_enq1u4KA@mail.gmail.com
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Ответ на Re: [15] Custom WAL resource managers, single user mode, and recovery  (Andres Freund <andres@anarazel.de>)
Ответы Re: [15] Custom WAL resource managers, single user mode, and recovery  (Andres Freund <andres@anarazel.de>)
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On Fri, 15 Jul 2022 at 05:58, Andres Freund <andres@anarazel.de> wrote:

Well, right now the main reason people need single user is anti-wraparound
stuff. And there it's actively harmful (requiring a shutdown checkpoint,
emptying shared buffers, foreground checkpoints, foreground writing of all
WAL, etc).

No, the single-user mode is also required to ensure a clean shutdown before pg_rewind.

Regards,
--
Alexander Kukushkin

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