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Model Distribution System

File Dedup
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Design Inference Batching Layer

Implement Concurrent Web Crawler
Design Check-In System
Toggle employees in and out of the office on a strictly increasing timeline
Design File Management System
Design an in-memory file management system: CRUD and ID management.
Online Assessment Questions
How It Works
Task Management System
Cloud Storage System
In Memory Database
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Data Batcher
> 2026 > Anthropic > Coding
Function Call LRU Cache
Wrap any function in a LRU cache. Turn function arguments into a hashable key so repeated calls skip recomputation. Then survive process restarts — every cache hit and miss appends records to an append-only log, and restore replays the log to recover both values and LRU recency order.
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