How to upgrade Database postgresql 9.3.25 to postgres 12?

[V MALLIKARJUNA]

we want to upgrade Jira Version from 7.4.6 to 9.4.7

Currently we are using DB Postgres- 9.3.25

How we can upgrade DB from 9.x to 12.x

[Sebastian Krzewiński]

Hi @V MALLIKARJUNA 

Below few tutorials how to do this. 

- https://ddevops.com/postgresql-upgrade-from-version-9-5-to-version-12/

- https://www.shernet.com/postgresql/upgrading-to-postgresql-10-on-centos-7/

There is a lot of pages with steps.

Regards,

Seba