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CS for Building Good Services — Relearning Textbook Ideas by Measuring

Measure, then choose: data structures, concurrency, caches and clocks

중급 · Lessons 30 · Lab 10

Curriculum

Check Complexity by Measuring

Choosing a Data Structure Changes Latency and Cost — Hash, Tree, Heap

Build an LRU Cache and a Bloom Filter Yourself

Race Conditions Happen Between awaits Too — Threads, the GIL and asyncio

Memory and GC Create Latency Tails

A String Has Three Lengths — Bytes, Code Points, Characters, and Time Zones

Where Floating Point Deceives a Service

When the Cache Lies Longer Than the DB — Cache Consistency

Clocks and Order — Lamport Clocks, Vector Clocks and Retries

The Database Keeps the Invariants — Constraints and Retry Loops

Reference docs