Explore the intricacies of memory fragmentation and its impact on system performance in this comprehensive 38-minute video. Delve into topics such as memory allocation, external and internal fragmentation, virtual memory, swap, and page size. Discover the genius behind memcached and learn how CPUs read data from RAM. Examine the cost of memory fragmentation and its effects on performance, including a case study on MySQL 8.x regression. Gain valuable insights into backend bottlenecks and strategies for optimizing system efficiency through this in-depth exploration of memory management concepts.