What makes MySQL LRU cache scan resistant

Ref:

• https://medium.com/@arpitbhayani/what-makes-mysql-lru-cache-scan-resistant-a73364f286d7
• https://dev.mysql.com/doc/refman/8.4/en/innodb-buffer-pool.html
• https://arpit.substack.com/p/2q-cache-management-algorithm

Linux Page cache reclaim

TODO Read this blog completely https://biriukov.dev/docs/page-cache/4-page-cache-eviction-and-page-reclaim/

Also about shadow entries and refaulting distance https://github.com/torvalds/linux/blob/master/mm/workingset.c