Memorystore for Redis FAQ

Can I connect a Memorystore for Redis instance to a resource from a different region?

No. A resource must be in the same region as a Redis instance to connect to it.

How long does a failover take for a Standard Tier Redis instance?

A failover normally takes around 30 seconds to complete.

What is the difference between Basic Tier and Standard Tier for Memorystore for Redis?

A Basic Tier instance is a standalone cache that is used for applications that can withstand an occasional cold restart/full data flush. A Standard Tier instance provides High Availability (HA) with a replica. In cases of routine maintenance, scaling, or an instance failure, the primary cache fails over to the replica, preserving your data. For more information, see Redis Tier Capabilities.

Is scale out cluster available on Memorystore for Redis?

No. Memorystore for Redis Basic and Standard Tier both use a single primary node to store all Redis data. Standard Tier provides a replica node to back up your data for High Availability.

Can I use a client library that isn’t listed on the Client Libraries page?

Yes. Memorystore for Redis is compatible with any client library for Redis. See the Redis sample app for Compute Engine and the Redis sample app for Kubernetes for examples of different client library setups.

Can I use a shared VPC?

Yes, Shared VPC is supported for Memorystore for Redis. For more details, see Networking.

Is persistence supported?

No. Memorystore for Redis does not currently support persistence.

Can I connect to a Redis instance using the App Engine standard environment?

Yes, but first you need to connect the App Engine standard environment to your VPC network.

Can I connect to a Redis instance using Cloud Functions?

Yes, but first you need to connect Cloud Functions to your VPC network.

Does Memorystore for Redis use open source Redis, also known as OSS Redis?

Yes. Memorystore for Redis uses open source Redis.

What version of Redis is currently supported?

Memorystore for Redis currently supports Redis versions 5.0, 4.0 (default), and 3.2.11.

gcloud redis isn’t working on the command line. Why?

You may have an older version of gcloud installed. Try running gcloud components update.