Reference documentation and code samples for the Cloud Spanner Instance Admin V1 API module Google::Cloud::Spanner::Admin::Instance::V1::ReplicaInfo::ReplicaType.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-28 UTC."],[],[],null,["# Cloud Spanner Instance Admin V1 API - Module Google::Cloud::Spanner::Admin::Instance::V1::ReplicaInfo::ReplicaType (v2.1.0)\n\nVersion latestkeyboard_arrow_down\n\n- [2.1.0 (latest)](/ruby/docs/reference/google-cloud-spanner-admin-instance-v1/latest/Google-Cloud-Spanner-Admin-Instance-V1-ReplicaInfo-ReplicaType)\n- [2.0.1](/ruby/docs/reference/google-cloud-spanner-admin-instance-v1/2.0.1/Google-Cloud-Spanner-Admin-Instance-V1-ReplicaInfo-ReplicaType)\n- [1.6.0](/ruby/docs/reference/google-cloud-spanner-admin-instance-v1/1.6.0/Google-Cloud-Spanner-Admin-Instance-V1-ReplicaInfo-ReplicaType)\n- [1.5.0](/ruby/docs/reference/google-cloud-spanner-admin-instance-v1/1.5.0/Google-Cloud-Spanner-Admin-Instance-V1-ReplicaInfo-ReplicaType)\n- [1.4.0](/ruby/docs/reference/google-cloud-spanner-admin-instance-v1/1.4.0/Google-Cloud-Spanner-Admin-Instance-V1-ReplicaInfo-ReplicaType)\n- [1.3.0](/ruby/docs/reference/google-cloud-spanner-admin-instance-v1/1.3.0/Google-Cloud-Spanner-Admin-Instance-V1-ReplicaInfo-ReplicaType)\n- [1.2.0](/ruby/docs/reference/google-cloud-spanner-admin-instance-v1/1.2.0/Google-Cloud-Spanner-Admin-Instance-V1-ReplicaInfo-ReplicaType)\n- [1.1.1](/ruby/docs/reference/google-cloud-spanner-admin-instance-v1/1.1.1/Google-Cloud-Spanner-Admin-Instance-V1-ReplicaInfo-ReplicaType)\n- [1.0.0](/ruby/docs/reference/google-cloud-spanner-admin-instance-v1/1.0.0/Google-Cloud-Spanner-Admin-Instance-V1-ReplicaInfo-ReplicaType)\n- [0.16.0](/ruby/docs/reference/google-cloud-spanner-admin-instance-v1/0.16.0/Google-Cloud-Spanner-Admin-Instance-V1-ReplicaInfo-ReplicaType)\n- [0.15.0](/ruby/docs/reference/google-cloud-spanner-admin-instance-v1/0.15.0/Google-Cloud-Spanner-Admin-Instance-V1-ReplicaInfo-ReplicaType)\n- [0.14.0](/ruby/docs/reference/google-cloud-spanner-admin-instance-v1/0.14.0/Google-Cloud-Spanner-Admin-Instance-V1-ReplicaInfo-ReplicaType)\n- [0.13.2](/ruby/docs/reference/google-cloud-spanner-admin-instance-v1/0.13.2/Google-Cloud-Spanner-Admin-Instance-V1-ReplicaInfo-ReplicaType)\n- [0.12.0](/ruby/docs/reference/google-cloud-spanner-admin-instance-v1/0.12.0/Google-Cloud-Spanner-Admin-Instance-V1-ReplicaInfo-ReplicaType)\n- [0.11.0](/ruby/docs/reference/google-cloud-spanner-admin-instance-v1/0.11.0/Google-Cloud-Spanner-Admin-Instance-V1-ReplicaInfo-ReplicaType)\n- [0.10.2](/ruby/docs/reference/google-cloud-spanner-admin-instance-v1/0.10.2/Google-Cloud-Spanner-Admin-Instance-V1-ReplicaInfo-ReplicaType)\n- [0.9.0](/ruby/docs/reference/google-cloud-spanner-admin-instance-v1/0.9.0/Google-Cloud-Spanner-Admin-Instance-V1-ReplicaInfo-ReplicaType)\n- [0.8.0](/ruby/docs/reference/google-cloud-spanner-admin-instance-v1/0.8.0/Google-Cloud-Spanner-Admin-Instance-V1-ReplicaInfo-ReplicaType)\n- [0.7.0](/ruby/docs/reference/google-cloud-spanner-admin-instance-v1/0.7.0/Google-Cloud-Spanner-Admin-Instance-V1-ReplicaInfo-ReplicaType)\n- [0.6.0](/ruby/docs/reference/google-cloud-spanner-admin-instance-v1/0.6.0/Google-Cloud-Spanner-Admin-Instance-V1-ReplicaInfo-ReplicaType)\n- [0.5.5](/ruby/docs/reference/google-cloud-spanner-admin-instance-v1/0.5.5/Google-Cloud-Spanner-Admin-Instance-V1-ReplicaInfo-ReplicaType) \nReference documentation and code samples for the Cloud Spanner Instance Admin V1 API module Google::Cloud::Spanner::Admin::Instance::V1::ReplicaInfo::ReplicaType.\n\nIndicates the type of replica. See the [replica types\ndocumentation](https://cloud.google.com/spanner/docs/replication#replica_types)\nfor more details.\n\nConstants\n---------\n\n### TYPE_UNSPECIFIED\n\n**value:** 0 \nNot specified.\n\n### READ_WRITE\n\n**value:** 1 \n\nRead-write replicas support both reads and writes. These replicas:\n\n\u003cbr /\u003e\n\n- Maintain a full copy of your data.\n- Serve reads.\n- Can vote whether to commit a write.\n- Participate in leadership election.\n- Are eligible to become a leader.\n\n### READ_ONLY\n\n**value:** 2 \n\nRead-only replicas only support reads (not writes). Read-only replicas:\n\n\u003cbr /\u003e\n\n- Maintain a full copy of your data.\n- Serve reads.\n- Do not participate in voting to commit writes.\n- Are not eligible to become a leader.\n\n### WITNESS\n\n**value:** 3 \n\nWitness replicas don't support reads but do participate in voting to\ncommit writes. Witness replicas:\n\n\u003cbr /\u003e\n\n- Do not maintain a full copy of data.\n- Do not serve reads.\n- Vote whether to commit writes.\n- Participate in leader election but are not eligible to become leader."]]