At 2:17 AM on a Tuesday, our Elasticsearch 8 cluster hit a p99 search latency of 4.2 seconds, triggered a cascade of 12 downstream timeouts, and cost us $14k in SLA credits. Three months later, our Typesense 0.25 deployment serves the same 12TB product catalog with p99 latency of 380ms, 3x faster than the old setup, at 40% of the infrastructure cost. This is the unvarnished postmortem of that migration. 📡 Hacker News Top Stories Right Now Why TUIs Are Back (99 points) BYOMesh – New LoRa mesh radio offers 100x the bandwidth (105 points) Southwest Headquarters Tour (108 points) OpenAI's o1 correctly diagnosed 67% of ER patients vs. 50-55% by triage doctors (111 points) A desktop made for one (118 points) Key Insights Typesense 0.25 delivers 3.2x median search throughput (12k req/s vs 3.7k req/s for Elasticsearch 8) on identical 16-core 64GB RAM nodes. Elasticsearch 8.11.1 required 12 nodes for our 12TB catalog; Typesense 0.25 serves the same dataset on 4 nodes.…