Re: standby promotion can create unreadable WAL

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От Imseih (AWS), Sami
Тема Re: standby promotion can create unreadable WAL
Дата
Msg-id CBDD913D-E05C-45A3-B9D8-4EC3A3B10EE1@amazon.com
обсуждение исходный текст
Ответ на Re: standby promotion can create unreadable WAL  (Robert Haas <robertmhaas@gmail.com>)
Ответы Re: standby promotion can create unreadable WAL
Список pgsql-hackers
>    I agree. Testing StandbyMode here seems bogus. I thought initially
>    that the test should perhaps be for InArchiveRecovery rather than
>    ArchiveRecoveryRequested, but I see that the code which switches to a
>    new timeline cares about ArchiveRecoveryRequested, so I think that is
>    the correct thing to test here as well.

>    Concretely, I propose the following patch.

This  patch looks similar to the change suggested in 
https://www.postgresql.org/message-id/FB0DEA0B-E14E-43A0-811F-C1AE93D00FF3%40amazon.com
to deal with panics after promoting a standby.

The difference is the patch tests !ArchiveRecoveryRequested instead
of !StandbyModeRequested as proposed in the mentioned thread.


Thanks
--
Sami Imseih
Amazon Web Services


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