Enum ReplicaInfo.Types.ReplicaType (3.8.0) 

public enum ReplicaType

Indicates the type of replica. See the replica types documentation for more details.

Namespace

Google.Cloud.Spanner.Admin.Instance.V1

Assembly

Google.Cloud.Spanner.Admin.Instance.V1.dll

Fields

NameDescription
ReadOnly

Read-only replicas only support reads (not writes). Read-only replicas:

  • Maintain a full copy of your data.
  • Serve reads.
  • Do not participate in voting to commit writes.
  • Are not eligible to become a leader.
ReadWrite

Read-write replicas support both reads and writes. These replicas:

  • Maintain a full copy of your data.
  • Serve reads.
  • Can vote whether to commit a write.
  • Participate in leadership election.
  • Are eligible to become a leader.
TypeUnspecified

Not specified.

Witness

Witness replicas don't support reads but do participate in voting to commit writes. Witness replicas:

  • Do not maintain a full copy of data.
  • Do not serve reads.
  • Vote whether to commit writes.
  • Participate in leader election but are not eligible to become leader.