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From: Adrian Klaver <[email protected]>
To: Bharani SV-forum <[email protected]>
To: Ron Johnson <[email protected]>
To: pgsql-general <[email protected]>
Subject: Re: Help in vetting my steps for Postgres DB upgrade from Ver 13.X to ver 15.X
Date: Mon, 2 Dec 2024 16:20:49 -0800
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
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On 12/2/24 15:52, Bharani SV-forum wrote:
> Adrian
> 
> Proposed new Server is intended to have higher OS Version (centos ver 
> 9.0) and higher Postgres Version 15.10

Alright I did not catch this " ... with new OS" from your original post. 
I saw "Take offline full backup (PG_DATA folder alone)  using OS 
command" and "Restore offline full backup (PG_DATA folder alone) using 
OS command" and assumed like to like on the OS, my mistake.

> 
> Does logical replication will have issues , if the existing asis server 
> is having Postgres ver 13.16.2 with Cent Os 7.0
> with the new server having higher OS version Centos Ver 9.0 and then 
> propose to have the Postgres to be upgraded
> from ver 13.16.2 to 15.10

Logical replication would not have issue with this as that is one of 
it's use cases. The question now becomes whether that is the quickest/ 
most efficient way to do this.

That depends on:

1) What is the size of database(s) you are dealing with?

2) What sort of downtime can you afford?

3) EC2 --> EC2, are they the same region?


> 
> Hope u have understood my question
> 
> On Monday, December 2, 2024 at 06:47:10 PM EST, Adrian Klaver 
> <[email protected]> wrote:
> 

-- 
Adrian Klaver
[email protected]

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