Radis (In-Memory Key-Value Store) Interview Kit: Quick Reference Index

A structured master navigation cheatsheet for explaining the Radis in-memory key-value database project in technical interviews.


📂 File Directory

File Type Duration Primary Focus
intro Speech 1–2 mins Crisp elevator pitch on built database capabilities + 3 follow-up hooks.
detailed Speech 4–5 mins End-to-end architecture covering reactor loop, storage engines, and async pruning.
topic_01_event_loop_and_nonblocking_io Deep Dive 2–3 mins Single-threaded reactor via poll(), non-blocking sockets, and state-driven connection IO.
topic_02_framing_pipelining_and_serialization Deep Dive 2–3 mins Binary length-prefix framing, stream buffer slicing, pipelining loop, and type tagging.
topic_03_progressive_rehashing_hashtable Deep Dive 2–3 mins Amortized $O(1)$ progressive rehashing, dual tables (newer/older), and pointer-to-pointer detaching.
topic_04_intrusive_data_structures_and_memory_layout Deep Dive 2–3 mins Kernel-style intrusive structures, container_of math, flexible arrays, and zero-wrapper allocation.
topic_05_dual_indexed_sorted_sets_and_avl Deep Dive 2–3 mins Dual-indexed ZSet, self-balancing AVL rotations, and subtree count (cnt) order-statistic rank queries.
topic_06_ttl_cache_eviction_and_thread_pool Deep Dive 2–3 mins Bidirectional-indexed min-heap TTL eviction, idle DList pruning, and background worker thread pool.
code.html (Source Code Browser) Interactive Tool Interactive 19 source files, 116 symbol definitions, line numbers, click-to-highlight, and quick-open navigation.