Reference documentation and code samples for the Cloud Spanner Instance Admin V1 API module Google::Cloud::Spanner::Admin::Instance::V1::InstanceConfig::QuorumType.
Indicates the quorum type of this instance configuration.
Constants
QUORUM_TYPE_UNSPECIFIED
value: 0
Quorum type not specified.
REGION
value: 1
An instance configuration tagged with REGION quorum type forms a write
quorum in a single region.
DUAL_REGION
value: 2
An instance configuration tagged with the DUAL_REGION quorum type forms
a write quorum with exactly two read-write regions in a multi-region
configuration.
This instance configuration requires failover in the event of regional failures.
MULTI_REGION
value: 3
An instance configuration tagged with the MULTI_REGION quorum type
forms a write quorum from replicas that are spread across more than one
region in a multi-region configuration.