| From: | Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at> |
|---|---|
| To: | milist ujang <ujang(dot)milist(at)gmail(dot)com>, pgsql-general(at)postgresql(dot)org |
| Subject: | Re: does postgres has snapshot standby feature? |
| Date: | 2022-10-14 12:33:36 |
| Message-ID: | b8926eaca481a2f1b160f4d1c5ca3adfa436b236.camel@cybertec.at |
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| Lists: | pgsql-general |
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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