Google Cloud Memorystore
Google Cloud Memorystore is a fully managed in-memory service for Valkey, Redis Cluster, Redis, and Memcached, with protocol compatibility for those engines.
What Google Cloud Memorystore is
Google Cloud Memorystore is a fully managed in-memory service for Valkey, Redis Cluster, Redis, and Memcached, with protocol compatibility for those engines. It offers sub-millisecond data access, scalability, and high availability, while automating provisioning, replication, failover, and patching. Valkey and Redis Cluster support zero-downtime scaling to as many as 250 nodes and terabytes of keyspace. Their stated availability SLA is 99.99%; Standard Tier Redis has a 99.9% availability SLA. Memorystore for Valkey offers approximate and exact nearest-neighbor vector search for generative AI applications. Private connectivity options vary by engine: Valkey and Redis Cluster support Private Service Connect, while Redis and Memcached support Private Service Access and Direct Peering over private IP. Security features include network isolation, IAM integration, encryption in transit, and Redis or Valkey AUTH; Valkey and Redis Cluster also list IAM authentication, ACLs, and customer-managed SSL certificates. Cloud Monitoring supports instance monitoring and custom alerts, and OpenCensus is listed for client-side metrics. Pricing varies by engine and configuration: listed examples are $0.05 a month for Memorystore for Redis and $0.19 a month for Valkey and Redis Cluster. A free trial is listed, but no free plan is listed.
Good
- Automates provisioning, replication, failover, and patching.
- Valkey and Redis Cluster support zero-downtime scaling.
- Includes private networking and encryption in transit.
- Cloud Monitoring supports custom alerts.
Watch out
- No free plan is listed.
- Pricing varies by engine, capacity, and configuration.
Who it suits
Memorystore suits teams seeking managed in-memory Valkey, Redis, Redis Cluster, or Memcached services, including users who need private connectivity, monitoring, or Valkey vector search.
Verdict
Memorystore provides managed in-memory services across four supported engines, with operational features that differ by engine and tier. Check the configuration-specific pricing and availability terms for the option that fits your needs.
Plans and prices
From Google Cloud Memorystore's own pricing page, checked 30 Sep 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Memorystore for Redis | $0.05 a month | The displayed rate is from an Iowa Standard Tier M3 pricing example; capacity tiers have different rates · Based on provisioned capacity, service tier, and region; read replicas are billed by capacity and node count. |
| Memorystore for Redis Cluster | $0.19 a month | Example uses 5 shards and 5 replica nodes in Iowa; AOF persistence and backups can incur additional charges · Hourly cost depends on shard and replica count, node type, and region. |
| Memorystore for Valkey | $0.19 a month | Price shown is for a highmem-medium node in Iowa; backups and AOF persistence can incur additional charges · Per second based on provisioned capacity; price varies by region and node type. |
| Memorystore for Memcached | — | Iowa example rates shown for vCPU and a node with up to 4 GiB; larger nodes use a different memory rate · Based on total vCPUs and memory provisioned across nodes, with rates depending on region and memory per node. |
The facts
Each one read from Google Cloud Memorystore's own pages, with the date it was checked.
What it does
- AI search
- Memorystore for Valkey offers approximate and exact nearest-neighbor vector search for generative AI applications.checked 30 Sep 2026
- Availability
- Valkey and Redis Cluster offer a 99.99% SLA, while Standard Tier Redis offers a 99.9% availability SLA.checked 30 Sep 2026
- Compliance
- Google Cloud says it undergoes independent verification of security, privacy, and compliance controls and publishes compliance resources and reports.checked 30 Sep 2026
- Connectivity
- Valkey and Redis Cluster support Private Service Connect, while Redis and Memcached support Private Service Access and Direct Peering using private IP.checked 30 Sep 2026
- Engine compatibility
- Memorystore supports Valkey, Redis Cluster, Redis, and Memcached and describes the service as fully protocol compatible with those engines.checked 30 Sep 2026
- Integrations
- Memorystore lists LangChain integrations for Redis, including document loaders, vector stores, and chat message memory.checked 30 Sep 2026
- Monitoring
- Instances can be monitored and given custom alerts with Cloud Monitoring; the page also lists OpenCensus integration for client-side metrics.checked 30 Sep 2026
- Operations
- Provisioning, replication, failover, and patching are automated.checked 30 Sep 2026
- Persistence
- The features page says continuous write logging or periodic RDB snapshots can provide near-zero Recovery Point Objectives.checked 30 Sep 2026
- Pricing model
- Memorystore pricing varies by capacity, replicas, and region, and the product page says billing is per second.checked 30 Sep 2026
- Product
- Memorystore is a fully managed in-memory Valkey, Redis, and Memcached service offering sub-millisecond data access, scalability, and high availability.checked 30 Sep 2026
- Scaling
- Memorystore for Valkey and Redis Cluster support zero-downtime scaling for up to 250 nodes and terabytes of keyspace.checked 30 Sep 2026
- Security
- The service lists VPC and private IP network isolation, IAM integration, encryption in transit, and Redis or Valkey AUTH; Valkey and Redis Cluster also list IAM authentication, ACLs, and customer-managed SSL certificates.checked 30 Sep 2026
- Support
- Every Google Cloud customer, including free-trial customers, gets Basic Support with documentation, community forums, billing assistance, and Active Assist.checked 30 Sep 2026
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