advancedDatabases & Storage
What is an LSM Tree? How does Cassandra use it?
Tests whether you know how log-structured merge trees turn random writes into fast sequential ones for write-heavy databases.
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Generate a complete, structured system design answer — requirements, capacity estimation, API design, architecture, database choice, scaling, caching, fault tolerance, security, trade-offs, and more, walked through the way a strong senior engineer would in a real interview.
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