Breaking Up with Redis: A Comparative Study of Its Open-Source Alternatives

"Summary: Garnet consistently achieved the highest throughput across all concurrency levels and under both workloads, maintaining large performance margins over Redis. Valkey underperformed compared to Redis at low to moderate concurrency, especially in the read-heavy workload, but surpassed it at high concurrency levels, indicating better scalability. KeyDB followed a similar trend to Redis but generally underperformed across both workloads and did not demonstrate any meaningful advantage."