Resolving blocked Valkey or Redis OSS engine upgrades - Amazon ElastiCache
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Resolving blocked Valkey or Redis OSS engine upgrades

As shown in the following table, your Valkey or Redis OSS engine upgrade operation is blocked if you have a pending scale up operation.

Pending operations Blocked operations
Scale up Immediate engine upgrade
Engine upgrade Immediate scale up
Scale up and engine upgrade Immediate scale up
Immediate engine upgrade
To resolve a blocked Redis OSS engine upgrade

  • Do one of the following:

    • Schedule your Redis OSS engine upgrade operation for the next maintenance window by clearing the Apply immediately check box.

      With the CLI, use --no-apply-immediately. With the API, use ApplyImmediately=false.

    • Wait until your next maintenance window (or after) to perform your Redis OSS engine upgrade operation.

    • Add the Redis OSS scale up operation to this cluster modification with the Apply Immediately check box chosen.

      With the CLI, use --apply-immediately. With the API, use ApplyImmediately=true.

      This approach effectively cancels the engine upgrade during the next maintenance window by performing it immediately.