V12 to V16 Upgrade -- does size matters?

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To: pgsql-admin@xxxxxxxxxxxxxxxxxxxx
Subject: V12 to V16 Upgrade -- does size matters?
From: Edwin UY <edwin.uy@xxxxxxxxx>
Date: Tue, 25 Feb 2025 17:47:37 +1300

Hi,

Does size matter when doing the upgrade?

Just noted the non-PROD database is 20G and the PROD one is around 500G.

Does the size of the database affect how long the upgrade will finish? Especially when running the ANALYZE post-upgrade.

FYI, more than half of the 500G are pg_toast.

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