<ul><li>MySQL dynamically manages memory across several areas to process queries, handle connections, and optimize performance.</li><li>The three primary areas of memory usage in MySQL are global buffers, connection buffers, and operating system memory usage.</li><li>Common reasons for memory spikes in MySQL include high traffic with large connection buffers, complex queries, oversized InnoDB buffer pool, large temporary tables, and inefficient indexing.</li><li>Best practices for controlling MySQL memory usage include setting limits on global buffers, adjusting connection buffer sizes, fine-tuning table caches, controlling thread cache and connection limits, tracking temporary table usage, using MySQL memory calculator, and monitoring query performance.</li></ul>

MySQL Memory Usage: A Guide to Optimization

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