How do you upgrade postgres from 8.4.20 to 9.3 on a confluence v5.5 installation ?
I would suggest you to upgrade Confluence actually .
Hold on for somedays and monitor Confluence stability.
Then take a backup and upgrade your Database .
Hi,
thats only a PostgreSQL task: https://www.postgresql.org/docs/9.0/static/migration.html
on the strength of past experience thats really simple.
Regards
Benjamin
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