There are 2 options for a major version upgrade.
Option 1 - Enterprise Plans
Schedule a time with our team for us to perform a snapshot-restore process to upgrade a major version. During the process, you can expect a short period (depending on your cluster’s disk capacity) of read-only mode. In most cases it takes a few seconds.TitanIAM users will find that it handles retries, so as far as their application is concerned, this would be close to zero-downtime.
The read-only mode would end with an atomic update to the routing layer, sending incoming traffic to the new hardware. This gives our team a fallback path if something goes awry. However, any writes applied between the routing update and fallback are simply lost.
Option 2 - Non-Enterprise Plans
Check out our documentation on Upgrading Major Versions. By following our recommended variation of a blue-green strategy outlined in the documentation and assuming you can pause or buffer your updates:
