The Redis OSS Cluster API support in Redis Enterprise Software (RS) provides a simple mechanism for cluster-aware Redis clients to learn and know the cluster topology. This enables clients to connect directly to an RS proxy on the node hosting the master shard for the data being operated on.

The result is that for all but the initial call to get the cluster topology or the call to reacquire the location of the master shard, the client connects to the RS endpoint proxy where the master shard is located.

For example, the initial connection from a client might be to cluster node 1, but the client derives from the information it receives that it needs to go directly to another node in the cluster to interact directly with the data for the query. This process can dramatically reduce access times and latency, but also offers near-linear scalability.

When combined with the other RS high availability features, this solution provides high performance and low latency, all while giving applications the ability to cope with topology changes, including add node, remove node, and node failover.

For more about working with the OSS Cluster API, see Using the OSS Cluster API.