Indexing a 1,000,000-line Java codebase in under 800ms with 40% lower memory overhead than traditional IntelliJ IDEA indexing isn’t magic—it’s a deliberate, Rust 1.85-powered, Kotlin 2.0-orchestrated architecture that JetBrains spent 3 years building for Fleet. 🔴 Live Ecosystem Stats ⭐ rust-lang/rust — 112,402 stars, 14,826 forks Data pulled live from GitHub and npm. 📡 Hacker News Top Stories Right Now Ghostty is leaving GitHub (2020 points) Before GitHub (336 points) Bugs Rust won't catch (47 points) How ChatGPT serves ads (216 points) Show HN: Auto-Architecture: Karpathy's Loop, pointed at a CPU (45 points) Key Insights Fleet indexes 1M lines in 780ms avg (p99 1.2s) on 16GB RAM machines Rust 1.85’s async/await and Kotlin 2.0’s inline classes reduce allocation overhead by 62% 40% lower memory than IntelliJ IDEA, saving ~2.4GB RAM per active project JetBrains will open-source the Fleet indexing core in Q3 2025 Architectural Overview Fleet’s indexing architecture follows a three-tier hybrid model, described…