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Lesson 3 of 4advanced
RCU, Read-Copy-Update & Scalable Synchronization
Use userspace RCU (urcu) for read-heavy workloads, implement seqlocks, and design sharded data structures for NUMA.
270 min estimated45 XP3 curated resources
What you'll learn
- Grace periods and quiescent state detection
- urcu API: rcu_read_lock, synchronize_rcu
- Per-CPU counters and sharded hash tables
- Benchmark read-side scalability vs locks
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