In this lesson we will:
- Lesson contents 1
- Lesson contents 2
- Lesson contents 3
We recommend using a free ClickHouse Cloud Account when studying this lesson
Upgrading ClickHouse
Because the data and state is stored in the /var/lib folder, the process of upgrading ClickHouse simply invovles upgrading the service and then restarting.
When the new version starts, the data will be backwards compatible and if necessary, migrated to the new version.