How to upgrade postgres version 8 to 13

From: shashidhar Reddy <shashidharreddy001(at)gmail(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: How to upgrade postgres version 8 to 13
Date: 2022-07-05 16:54:30
Message-ID: CAH=zU4tGoG7j6jz+UqE+myZUmf75aiC=wUQvdq9jo43k9vwWmw@mail.gmail.com
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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.

Regards,
Shashidhar

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