Valkey as a Redis replacement: a real migration with Valkey 8.1

Valkey 8.1, released on March 31, is protocol and command compatible with Redis 7.x, so most existing clients connect without code changes. Swapping Valkey in for Redis is a realistic move once you plan the cutover: dump and restore is the simplest path, while zero downtime needs asymmetric replication. We moved our first production cluster two weeks ago.

April 12, 2025 6 min 219 4.7

Architecture

Valkey: The Open Fork After Redis’s License Change

Redis moved to dual SSPL/RSAL licensing in March 2024, no longer meeting the OSI open-source definition. Valkey emerged as a BSD 3-Clause fork backed by AWS, Google Cloud, Oracle, and the Linux Foundation, fully protocol-compatible with Redis 7.2. Migrating is almost always trivial: swap the binary or the Docker image.

June 4, 2024 2 min 278 4.3