Guidelines to avoid issues during an upgrade
When upgrading your cluster, the following are some general guidelines:
- Before you upgrade to a new version, it would be good to wait at least 2–3 months to make sure it's stable enough, doesn't contain too many bugs, and is not withdrawn for security or functional issues.
- Once you decide the version you want to upgrade to, you have to make sure you can upgrade to that version from the current version after going through the release notes. Sometimes you might have to upgrade multiple times to reach the desired version.
- For certain versions, it's not possible to downgrade back to the previous version if things go wrong and the upgrade is auto-finalized. In that case, your only option is to discard the current cluster and create a new cluster from the backups. So make sure all the data is backed up before you start the upgrade. Also, as an alternate solution, you can disable auto-finalization with the...
