Re : Fast switchover - Mailing list pgsql-general

From legrand legrand
Subject Re : Fast switchover
Date
Msg-id AS1P190MB1701268947A47298EDC6CB07900FA@AS1P190MB1701.EURP190.PROD.OUTLOOK.COM
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In response to Re: Fast switchover  (Laurenz Albe <laurenz.albe@cybertec.at>)
Responses Re: Re : Fast switchover
List pgsql-general
Hi Laurenz,
Thank you for your answer

>> For some projects we need a fast manual switchover to address Near Zero downtime maintenance

I forgot to say that application would not be stopped during maintenance…

>There is no need for synchronous replication; you cannot lose data with a switchover,
>if you do it right:

Ok

>> May logical replication ( bi-directional, with one instance RW and the other RO) be a better solution ?

> I'd say no.

Really ?

>> what could we expect (in term of downtime in both worlds) ?

> Usually seconds, so plan for ten minutes.

Brrr, I was thînking about a more reliable process.

Regards
PAscal

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