Top 50 caching Interview Questions
The most frequently asked caching questions across all roles and companies, ranked by real interview frequency. Updated daily.
Use a queue to enforce a sliding-window client-side API rate limiter over request timestamps.
Reddit
Statkraft
RivianDesign an LRU cache that also evicts entries when their TTL expires.
SpeechifyImplement an LRU cache for audio segments using a hash map and doubly linked list for O(1) get and put.
SpeechifyBuild an O(1) LRU cache for Airtel Payments Bank session data using a hash map and doubly linked list.
Airtel Payments Bank
CME GroupBuild a custom LRU cache for Twitch chat data with O(1) get and put operations.
Twitch
Net2Source (N2S)Implement an LRU cache that evicts expired entries by TTL and removes the least recently used item when full.
SpeechifyImplement an LRU cache with O(1) get and put using a hash map and doubly linked list.
SpeechifyImplement an LRU key-value cache for fixed-size tensor vectors with constant-time access and eviction.
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