Re: does postgres has snapshot standby feature?

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От Laurenz Albe
Тема Re: does postgres has snapshot standby feature?
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Msg-id b8926eaca481a2f1b160f4d1c5ca3adfa436b236.camel@cybertec.at
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Ответ на does postgres has snapshot standby feature?  (milist ujang <ujang.milist@gmail.com>)
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On Fri, 2022-10-14 at 16:20 +0700, milist ujang wrote:
> read about removing standby.signal file behavior in pg14 from 
> https://dbaclass.com/article/how-to-open-postgres-standby-database-for-read-writesnapshot-standby/
> 
> I was shocked about the hidden feature of snapshot standby, does it really exist?
> I could not find anything about snapshot standby in docs so far.

The referenced article talks about "pg_rewind", so look under that name.

> I have removed the standby.signal file in pg12 but got strange behavior until I have to recreate the standby.

If you removed the file, you did something wrong.
You have to promote the standby properly.

Yours,
Laurenz Albe
-- 
Cybertec | https://www.cybertec-postgresql.com



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