intermediateMultithreading & Concurrency359 of 436
What is lock escalation? Can excessive locking become a scalability bottleneck?
Tests whether you know lock escalation (common in DBs, but conceptually similar in-app) is the shift from fine-grained to coarser-grained locking to reduce overhead, and that over-applying it serializes work that could otherwise run concurrently, directly capping throughput.
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