BEGIN:VCALENDAR VERSION:2.0 PRODID:-//HasGeek//NONSGML Funnel//EN DESCRIPTION:Rust India Conference 2026 hands-on workshop X-WR-CALDESC:Rust India Conference 2026 hands-on workshop NAME:Build a concurrent cache in Rust X-WR-CALNAME:Build a concurrent cache in Rust REFRESH-INTERVAL;VALUE=DURATION:PT12H SUMMARY:Build a concurrent cache in Rust TIMEZONE-ID:Asia/Kolkata X-PUBLISHED-TTL:PT12H X-WR-TIMEZONE:Asia/Kolkata BEGIN:VEVENT SUMMARY:Build a concurrent cache in Rust DTSTART:20260417T043000Z DTEND:20260417T120000Z DTSTAMP:20260405T185232Z UID:session/XFK9xBLx76rqiwEGQ5ro8x@hasgeek.com SEQUENCE:19 CREATED:20260405T064221Z DESCRIPTION:\n## 🧱 Workshop overview\nThis workshop teaches Rust throug h the hands-on evolution of a simple in-memory cache into a **concurrent\, type-safe system**.\n\nInstead of learning Rust concepts in isolation\, p articipants will incrementally build a real system and encounter core idea s - **ownership\, borrowing\, concurrency\, and type-driven design** - as natural solutions to real problems.\n\nAlong the way\, we’ll explore how Rust:\n* Enables safe shared mutability\n* Eliminates classes of runtime bugs\n* Uses the type system to make illegal states unrepresentable \n\nTh is workshop can be attended in-person in Bengaluru or remotely (live).\n\n ### Workshop level: suitable for beginners\n\n---\n\n## 🎯 Key takeaways \nBy the end of the workshop\, participants will:\n* Understand Rust’s o wnership and borrowing model through practice\n* Design APIs using Rust’ s type system\n* Work with concurrency primitives: `Mutex`\, `RwLock`\, `A rc`\n* Understand interior mutability and atomics vs locks\n* Learn Rust ’s memory model and the MESI cache coherence protocol\n* Apply common Ru st patterns:\n\n * Newtype\n * RAII\n * Interior Mutability\n * Builde r\n * Typestate\n\n---\n\n## About the instructor\nSarthak Makhija is Pri ncipal Architect at Caizin. He writes long-form essays on refactoring\, st orage engines\, databases\, and engineering trade-offs at https://tech-les sons.in/en/\n\n---\n\n## 👥 Who should attend\n* Engineers new to Rust l ooking for hands-on learning\n* Backend/systems engineers exploring Rust ’s concurrency model\n* Developers familiar with Go\, Java\, etc. wantin g to understand Rust’s design philosophy\n* Engineers interested in buil ding safe\, concurrent systems\n\n---\n\n## 📋 Prerequisites\n### Requir ed\n* Basic programming experience (any language)\n* Familiarity with func tions\, structs/classes\, and collections\n\n### Optional\n* Basic underst anding of concurrency (threads\, locks)\n* Exposure to systems programming concepts\n* Some familiarity with Rust\n\n---\n\n## 💻 Setup requiremen ts - install before the workshop\n* Latest stable Rust toolchain (`rustup` )\n* Verify installation:\n\n ```bash\n rustc --version\n cargo --versi on\n ```\n* A code editor\n* Git\n\n---\n\n## 🧩 Workshop structure\n\n ### Stage 1: Basic Cache\n* Build a simple cache using `HashMap`\n* Implement `get` and `put`\n* Understand ownership\, `String` vs `&str`\n\n**Focus:** Rust basics\, memory allocation\, ownership\n\n---\n \n### Stage 2: Type Safety with Newtypes\n* Introduce `Key` and `Value` ty pes\n* Prevent type-mixing errors\n\n**Focus:** Type safety\, zero-cost ab stractions\n\n---\n\n### Stage 3: Generics & Trait Bounds\n* Generalize to `Cache`\n* Introduce `Eq`\, `Hash`\, and `Borrow`\n\n**Focus:** Ge nerics\, trait bounds\, performance\n\n---\n\n### Stage 4: Mutability & AP I Design\n* Introduce `get_mut`\n* Use Entry API\n\n**Focus:** Borrow chec ker\, safe mutation\n\n---\n\n### Stage 5: Interior Mutability\n* Introduc e `RefCell`\n\n**Focus:** Interior mutability pattern\n\n---\n\n### Stage 6: Concurrency Begins (Mutex + RAII)\n* Add thread safety with `Mutex`\n* Introduce RAII and `Send` / `Sync`\n\n**Focus:** Concurrency fundamentals\ n\n---\n\n### Stage 7: Reducing Cloning (RwLock + Arc)\n* Introduce `Arc` and `RwLock`\n\n**Focus:** Shared ownership\, performance trade-offs\n\ n---\n\n### Stage 8: Lifetimes & API Abstraction\n* Introduce lifetimes in structs\n* Clean up API design\n\n**Focus:** Lifetimes\, abstraction trad e-offs\n\n---\n\n### Stage 9: Thread Safety Deep Dive\n* Validate correctn ess under concurrency\n\n**Focus:** Rust’s concurrency guarantees\n\n--- \n\n### Stage 10: Sharding for Scalability\n* Implement sharded cache\n* R educe contention\n\n**Focus:** Systems design\n\n---\n\n### Stage 11: TTL & background work\n* Add TTL and eviction\n* Introduce background threads\ n\n**Focus:** Coordination across components\n\n---\n\n### Stage 12: Metri cs & atomics\n* Add metrics (hits\, misses)\n* Introduce atomics and memor y ordering\n\n**Focus:** Performance\, MESI protocol\n\n---\n\n### Stage 1 3: Correctness via Typestate\n* Introduce typestate pattern\n\n**Focus:** Compile-time correctness\n\n---\n\n### Stage 14: Finalization & API design \n* Add tests and Builder pattern\n* Final API walkthrough\n\n**Focus:** A PI ergonomics\, production trade-offs\n\n---\n\n## 📚 References\n* http s://doc.rust-lang.org/book/ (See chapters 4\, 5\, 10)\n* https://tech-less ons.in/en/blog/diving_into_rust/\n* https://tech-lessons.in/en/blog/design ing_lfu_cache/\n\n---\n\n## How to attend\nThis is a hybrid workshop — y ou can attend:\n* In-person in Bengaluru\, or\n* Remotely (live online)\n\ nTo participate\, please purchase a workshop ticket for 17 April.\n\nNote: \n* Conference tickets do not include workshop access\n* A valid workshop ticket is required for both in-person and remote participation\n* Seats (b oth in-person and remote) are limited\n\n---\n## Contact\n* Email: info@ha sgeek.com\n* Phone/WhatsApp: +91-7676332020\n* Questions: https://hasgeek. com/rustbangalore/build-a-concurrent-cache-in-rust-workshop/comments LAST-MODIFIED:20260405T163529Z LOCATION:Bengaluru & remote - https://hasgeek.com/rustbangalore/build-a-co ncurrent-cache-in-rust-workshop/ ORGANIZER;CN="Rust Bangalore":MAILTO:no-reply@hasgeek.com URL:https://hasgeek.com/rustbangalore/build-a-concurrent-cache-in-rust-wor kshop/ BEGIN:VALARM ACTION:display DESCRIPTION:Build a concurrent cache in Rust in 5 minutes TRIGGER:-PT5M END:VALARM END:VEVENT END:VCALENDAR