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If you're not using any weird extensions, you'll be fine. If your database is large with indexes and you're not doing it via a pg_dump/PG-restore, make sure to
by hylaride 2y ago
If you're not using any weird extensions, you'll be fine. If your database is large with indexes and you're not doing it via a pg_dump/PG-restore, make sure to run a reindex as PG13 introduced index deduplication. That saved us terabytes (though cleaning index bloat probably played a role, too).