In 2026, the gap between the fastest in-memory cache and the slowest has widened to 4.2x: Dragonfly 0.20 hits 1.9M ops/s on a single 8-core node, while Memcached 1.6 tops out at 450k ops/s under identical load. For teams spending $100k+/year on cache infrastructure, that’s a $70k annual saving up for grabs. 📡 Hacker News Top Stories Right Now .de TLD offline due to DNSSEC? (511 points) Accelerating Gemma 4: faster inference with multi-token prediction drafters (436 points) Computer Use is 45x more expensive than structured APIs (306 points) Write some software, give it away for free (121 points) Three Inverse Laws of AI (346 points) Key Insights Redis 8.0 delivers 1.1M ops/s for mixed read/write workloads, 22% faster than Redis 7.2 (benchmarked on AWS c7g.4xlarge) Dragonfly 0.20 reduces p99 latency to 0.8ms for 10k concurrent connections, 3x lower than Memcached 1.6 Memcached 1.6 remains the lowest-cost option at $0.03 per 1M ops, 40% cheaper than Redis 8.0 for read-heavy workloads By 2027, 60% of new cache…