Professional Cloud Architect – Google Cloud Certification Guide

Instances configuration

When we create a new instance, we should select an instance configuration. This will determine where our instance will reside and the replication of the databases in the instance. We can select between the following:

• Multi-regional: By using this instance, we will gain a higher availability of SLA 99.999% – or downtime of approximately 5 minutes per year – but it will be more costly. Multi-regional configuration will replicate data between multiple zones within a single region. We should be mindful of this architecture and ensure that it fits our requirements. It may not be optimal to select this if we write our workloads and they come from a different location than our reads. Multi-region configurations allow us ...