Re: How to upgrade postgres version 8 to 13

From: Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com>
To: shashidhar Reddy <shashidharreddy001(at)gmail(dot)com>, pgsql-general(at)postgresql(dot)org
Subject: Re: How to upgrade postgres version 8 to 13
Date: 2022-07-05 17:02:38
Message-ID: de9187e3-779e-acb8-5597-561395fcbc74@aklaver.com
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On 7/5/22 9:54 AM, shashidhar Reddy wrote:
> Hello,
>
> Could some please let me know how to upgrade postgresql version 8.2 to
> 13, as the database size is 20 TB, backup and restore is not possible.

This is going to need more information:

1) Are you looking to upgrade on same machine or between machines.

2) What are the hardware specs for the machine or machines?

3) If between machines:
a) The OS and version of each.
b) The network distance between them

4) What is the desired down time limit?

>
> Regards,
> Shashidhar

--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com

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