Enum ReplicaInfo.ReplicaType (6.62.0)
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public enum ReplicaInfo . ReplicaType extends Enum<ReplicaInfo . ReplicaType > implements ProtocolMessageEnum
Indicates the type of replica. See the replica types
documentation
for more details.
Protobuf enum google.spanner.admin.instance.v1.ReplicaInfo.ReplicaType
Static Fields
Name Description
READ_ONLY 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.
READ_ONLY = 2;
READ_ONLY_VALUE 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.
READ_ONLY = 2;
READ_WRITE 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.
READ_WRITE = 1;
READ_WRITE_VALUE 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.
READ_WRITE = 1;
TYPE_UNSPECIFIED Not specified.
TYPE_UNSPECIFIED = 0;
TYPE_UNSPECIFIED_VALUE Not specified.
TYPE_UNSPECIFIED = 0;
UNRECOGNIZED
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.
WITNESS = 3;
WITNESS_VALUE 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.
WITNESS = 3;
Static Methods
Name Description
forNumber(int value)
getDescriptor()
internalGetValueMap()
valueOf(Descriptors.EnumValueDescriptor desc)
valueOf(int value)Deprecated. Use #forNumber(int) instead.
valueOf(String name)
values()
Methods
Name Description
getDescriptorForType()
getNumber()
getValueDescriptor()
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Last updated 2026-03-14 UTC.
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