Implement an in-memory storage with TTL and scans

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Question

Implement an in-memory storage with TTL and scans

PracHub · Accepted Answer

This question evaluates implementation of an in-memory two-level key->field->value store with TTL semantics, lexicographic scans and prefix filtering, and time-travel reads, covering competencies in data structures, time-based expiry handling, and maintaining correct state across monotonic timestamps.

Quick Overview

Implement an in-memory storage with TTL and scans